Re: [ovs-discuss] ovs-vswitchd 3.1.7 segfault

Eelco Chaudron via discuss Fri, 12 Sep 2025 00:11:40 -0700


On 11 Sep 2025, at 14:09, Krzysztof Pawłowski via discuss wrote:


> Hello everyone,
> After upgrading to Rocky Linux 9 and Open vSwitch 3.1, we have encountered 
> two segfaults so far. We have three nodes functioning as network nodes for 
> OpenStack, and approximately once a month, Open vSwitch crashes on one of 
> them.
>
> revalidator100[4649]: segfault at 5558dfad60b0 ip 00005558d67baba1 sp 
> 00007f51c49dbf38 error 4 in ovs-vswitchd[5558d5f67000+a91000] likely on CPU 
> 16 (core 9, socket 0)

Maybe this is related to commit ‘ofproto-dpif-xlate: Fix use-after-free when 
xlate_actions()’, however, 3.1 is no longer a maintained release and does not 
have this specific patch.

Can you try OVS 3.3 as this is the latest supported and LTS release.

Cheers,

Eelco

> System details:
> ovs-vswitchd (Open vSwitch) 3.1.7-146.el9s
> DPDK 22.11.6
> Linux version 5.14.0-570.23.1.el9_6.x86_64 
> ([email protected]) (gcc (GCC) 11.5.0 
> 20240719 (Red Hat 11.5.0-5), GNU ld version 2.35.2-63.el9) #1 SMP 
> PREEMPT_DYNAMIC Thu Jun 26 19:29:53 UTC 2025
> Rocky Linux release 9.6 (Blue Onyx)
>
> Packages are obtained from repository: 
> https://mirror.stream.centos.org/SIGs/9-stream/nfv/x86_64/openvswitch-2/
>
> Coredump:
>            PID: 4495 (ovs-vswitchd)
>            UID: 992 (openvswitch)
>            GID: 990 (hugetlbfs)
>         Signal: 11 (SEGV)
>      Timestamp: ***
>   Command Line: ovs-vswitchd unix:/var/run/openvswitch/db.sock -vconsole:emer 
> -vsyslog:err -vfile:info --mlockall --user openvswitch:hugetlbfs --no-chdir 
> --log-file=/var/log/openvswitch/ovs-vswitchd.log 
> --pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach
>     Executable: /usr/sbin/ovs-vswitchd
>  Control Group: /system.slice/ovs-vswitchd.service
>           Unit: ovs-vswitchd.service
>          Slice: system.slice
>        Boot ID: 65cfb60f791d40908d8d868f9906b013
>     Machine ID: f44db6d25c4a437ebc69ada0e47b3ab9
>       Hostname: ***
>        Storage: 
> /var/lib/systemd/coredump/core.ovs-vswitchd.992.65cfb60f791d40908d8d868f9906b013.4495.1757529259000000.zst
>  (present)
>   Size on Disk: 18.7M
>        Message: Process 4495 (ovs-vswitchd) of user 992 dumped core.
>
>                 Stack trace of thread 4638:
>                 #0  0x00005558d67baba1 xbundle_includes_vlan (ovs-vswitchd + 
> 0x96dba1)
>                 #1  0x00005558d67ce43c xlate_normal_flood.lto_priv.0 
> (ovs-vswitchd + 0x98143c)
>                 #2  0x00005558d67de39f xlate_output_action (ovs-vswitchd + 
> 0x99139f)
>                 #3  0x00005558d67dab21 do_xlate_actions (ovs-vswitchd + 
> 0x98db21)
>                 #4  0x00005558d67d762f xlate_table_action.part.0 
> (ovs-vswitchd + 0x98a62f)
>                 #5  0x00005558d67db358 do_xlate_actions (ovs-vswitchd + 
> 0x98e358)
>                 #6  0x00005558d67d762f xlate_table_action.part.0 
> (ovs-vswitchd + 0x98a62f)
>                 #7  0x00005558d67db358 do_xlate_actions (ovs-vswitchd + 
> 0x98e358)
>                 #8  0x00005558d67df021 clone_xlate_actions (ovs-vswitchd + 
> 0x992021)
>                 #9  0x00005558d67d762f xlate_table_action.part.0 
> (ovs-vswitchd + 0x98a62f)
>                 #10 0x00005558d67dcdd6 patch_port_output.lto_priv.0 
> (ovs-vswitchd + 0x98fdd6)
>                 #11 0x00005558d67cde2c output_normal.lto_priv.0 (ovs-vswitchd 
> + 0x980e2c)
>                 #12 0x00005558d67ce4ae xlate_normal_flood.lto_priv.0 
> (ovs-vswitchd + 0x9814ae)
>                 #13 0x00005558d67de39f xlate_output_action (ovs-vswitchd + 
> 0x99139f)
>                 #14 0x00005558d67dab21 do_xlate_actions (ovs-vswitchd + 
> 0x98db21)
>                 #15 0x00005558d67dfd50 xlate_actions (ovs-vswitchd + 0x992d50)
>                 #16 0x00005558d67cabf4 xlate_key (ovs-vswitchd + 0x97dbf4)
>                 #17 0x00005558d67cb58b revalidate_ukey__ (ovs-vswitchd + 
> 0x97e58b)
>                 #18 0x00005558d67cb97f revalidate_ukey.lto_priv.0 
> (ovs-vswitchd + 0x97e97f)
>                 #19 0x00005558d69f165c revalidate.isra.0 (ovs-vswitchd + 
> 0xba465c)
>                 #20 0x00005558d67cc545 udpif_revalidator (ovs-vswitchd + 
> 0x97f545)
>                 #21 0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #22 0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #23 0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4551:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4554:
>                 #0  0x00005558d6827854 hmapx_clear (ovs-vswitchd + 0x9da854)
>                 #1  0x00005558d68e6940 poll_block (ovs-vswitchd + 0xa99940)
>                 #2  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #3  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #4  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #5  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4549:
>                 #0  0x00007f52edf01fdf __poll (libc.so.6 + 0x101fdf)
>                 #1  0x00005558d68fa81b time_poll (ovs-vswitchd + 0xaad81b)
>                 #2  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #3  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #4  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #5  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #6  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4556:
>                 #0  0x00007f52ede87467 __GI___lll_lock_wake (libc.so.6 + 
> 0x87467)
>                 #1  0x00007f52ede8efc5 __GI___pthread_mutex_unlock_usercnt 
> (libc.so.6 + 0x8efc5)
>                 #2  0x00005558d68bdb4f ovs_mutex_unlock (ovs-vswitchd + 
> 0xa70b4f)
>                 #3  0x00005558d68bf8ef ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728ef)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4561:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4550:
>                 #0  0x00007f52ede87467 __GI___lll_lock_wake (libc.so.6 + 
> 0x87467)
>                 #1  0x00007f52ede8efc5 __GI___pthread_mutex_unlock_usercnt 
> (libc.so.6 + 0x8efc5)
>                 #2  0x00005558d68bdb4f ovs_mutex_unlock (ovs-vswitchd + 
> 0xa70b4f)
>                 #3  0x00005558d68bf8ef ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728ef)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4560:
>                 #0  0x00007f52edf01fdf __poll (libc.so.6 + 0x101fdf)
>                 #1  0x00005558d68fa81b time_poll (ovs-vswitchd + 0xaad81b)
>                 #2  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #3  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #4  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #5  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #6  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4552:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf8e4 ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728e4)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d68c33de ovsrcu_postpone_thread (ovs-vswitchd + 
> 0xa763de)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4495:
>                 #0  0x00005558d67aaec7 bundle_flush_macs (ovs-vswitchd + 
> 0x95dec7)
>                 #1  0x00005558d67b5121 bundle_set.lto_priv.0 (ovs-vswitchd + 
> 0x968121)
>                 #2  0x00005558d677c848 port_configure (ovs-vswitchd + 
> 0x92f848)
>                 #3  0x00005558d678db21 bridge_run (ovs-vswitchd + 0x940b21)
>                 #4  0x00005558d60848c6 main (ovs-vswitchd + 0x2378c6)
>                 #5  0x00007f52ede295d0 __libc_start_call_main (libc.so.6 + 
> 0x295d0)
>                 #6  0x00007f52ede29680 __libc_start_main@@GLIBC_2.34 
> (libc.so.6 + 0x29680)
>                 #7  0x00005558d6088ea5 _start (ovs-vswitchd + 0x23bea5)
>
>                 Stack trace of thread 4562:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4557:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4555:
>                 #0  0x00007f52ede87467 __GI___lll_lock_wake (libc.so.6 + 
> 0x87467)
>                 #1  0x00007f52ede8efc5 __GI___pthread_mutex_unlock_usercnt 
> (libc.so.6 + 0x8efc5)
>                 #2  0x00005558d68bdb4f ovs_mutex_unlock (ovs-vswitchd + 
> 0xa70b4f)
>                 #3  0x00005558d68fa695 time_poll (ovs-vswitchd + 0xaad695)
>                 #4  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4572:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4575:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4576:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf786 ovsrcu_unregister__ (ovs-vswitchd + 
> 0xa72786)
>                 #4  0x00005558d68c2f06 ovsrcu_quiesce_start (ovs-vswitchd + 
> 0xa75f06)
>                 #5  0x00005558d68fa80d time_poll (ovs-vswitchd + 0xaad80d)
>                 #6  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #7  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #8  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #9  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #10 0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4568:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf8e4 ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728e4)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4564:
>                 #0  0x00007f52ede87467 __GI___lll_lock_wake (libc.so.6 + 
> 0x87467)
>                 #1  0x00007f52ede8efc5 __GI___pthread_mutex_unlock_usercnt 
> (libc.so.6 + 0x8efc5)
>                 #2  0x00005558d68bdb4f ovs_mutex_unlock (ovs-vswitchd + 
> 0xa70b4f)
>                 #3  0x00005558d68bf8ef ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728ef)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4587:
>                 #0  0x00007f52edf0364b getrusage (libc.so.6 + 0x10364b)
>                 #1  0x00005558d68fa94d time_poll (ovs-vswitchd + 0xaad94d)
>                 #2  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #3  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #4  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #5  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #6  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4577:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4579:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4582:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4586:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4589:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4604:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4571:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4607:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4578:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d67ecc0c coverage_run (ovs-vswitchd + 0x99fc0c)
>                 #4  0x00005558d68fa695 time_poll (ovs-vswitchd + 0xaad695)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4590:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4567:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf8e4 ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728e4)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4594:
>                 #0  0x00007f52ede87467 __GI___lll_lock_wake (libc.so.6 + 
> 0x87467)
>                 #1  0x00007f52ede8efc5 __GI___pthread_mutex_unlock_usercnt 
> (libc.so.6 + 0x8efc5)
>                 #2  0x00005558d68bdb4f ovs_mutex_unlock (ovs-vswitchd + 
> 0xa70b4f)
>                 #3  0x00005558d68bf8ef ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728ef)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4595:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4593:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4581:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4612:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4599:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4553:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4600:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4613:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4601:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4614:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4615:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4563:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d67ecc0c coverage_run (ovs-vswitchd + 0x99fc0c)
>                 #4  0x00005558d68fa695 time_poll (ovs-vswitchd + 0xaad695)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4617:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4618:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4606:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4565:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf8e4 ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728e4)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4622:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4619:
>                 #0  0x00007f52edeff85b unlink (libc.so.6 + 0xff85b)
>                 #1  0x00005558d681111c unlink_files (ovs-vswitchd + 0x9c411c)
>                 #2  0x00005558d6810e59 call_hooks.part.0 (ovs-vswitchd + 
> 0x9c3e59)
>                 #3  0x00005558d6823c6c fatal_signal_run (ovs-vswitchd + 
> 0x9d6c6c)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4628:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4624:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4610:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4569:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4584:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4623:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 3132307:
>                 #0  0x00007f52ede8722a __futex_abstimed_wait_common 
> (libc.so.6 + 0x8722a)
>                 #1  0x00007f52ede8996f pthread_cond_timedwait@@GLIBC_2.3.2 
> (libc.so.6 + 0x8996f)
>                 #2  0x00007f52ede937c8 handle_fildes_io (libc.so.6 + 0x937c8)
>                 #3  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #4  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4630:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4573:
>                 #0  0x00007f52ede87467 __GI___lll_lock_wake (libc.so.6 + 
> 0x87467)
>                 #1  0x00007f52ede8efc5 __GI___pthread_mutex_unlock_usercnt 
> (libc.so.6 + 0x8efc5)
>                 #2  0x00005558d68bdb4f ovs_mutex_unlock (ovs-vswitchd + 
> 0xa70b4f)
>                 #3  0x00005558d68bf8ef ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728ef)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4592:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf950 ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa72950)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4596:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4558:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d582 __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d582)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d68bf8e4 ovsrcu_perthread_get.part.0.lto_priv.0 
> (ovs-vswitchd + 0xa728e4)
>                 #4  0x00005558d68fa853 time_poll (ovs-vswitchd + 0xaad853)
>                 #5  0x00005558d68e691c poll_block (ovs-vswitchd + 0xa9991c)
>                 #6  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #7  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #8  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #9  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4611:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4597:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>
>                 Stack trace of thread 4629:
>                 #0  0x00007f52ede873f0 __GI___lll_lock_wait (libc.so.6 + 
> 0x873f0)
>                 #1  0x00007f52ede8d5dd __pthread_mutex_lock@GLIBC_2.2.5 
> (libc.so.6 + 0x8d5dd)
>                 #2  0x00005558d68bd4cd ovs_mutex_lock_at (ovs-vswitchd + 
> 0xa704cd)
>                 #3  0x00005558d6823c52 fatal_signal_run (ovs-vswitchd + 
> 0x9d6c52)
>                 #4  0x00005558d68e6963 poll_block (ovs-vswitchd + 0xa99963)
>                 #5  0x00005558d67d1a43 udpif_upcall_handler (ovs-vswitchd + 
> 0x984a43)
>                 #6  0x00005558d68c4ee3 ovsthread_wrapper (ovs-vswitchd + 
> 0xa77ee3)
>                 #7  0x00007f52ede8a19a start_thread (libc.so.6 + 0x8a19a)
>                 #8  0x00007f52edf0f210 __clone3 (libc.so.6 + 0x10f210)
>                 ELF object binary architecture: AMD x86-64
>
> Do you have any insights into what might be causing this issue? Could it be a 
> bug in Open vSwitch 3.1, or is it potentially related to a misconfiguration 
> in our OpenStack network node setup?
>
>
>
> [cid:interia_logo_d45a5dcf-2e68-4d8d-9379-335fffd0b7e4.png]
>
> ul. Kotlarska 11
> 31-539 Kraków
> tel.: +48 12 646 27 00
> fax: +48 12 646 27 10
>
>
> Krzysztof Pawłowski
> Architekt Systemów
>
>
> tel. kom. +48 500 160 722
> [email protected]<mailto:[email protected]>
>
>
>
> [cid:grupa_polsat_interia_nr_1_43fb502a-b41f-4c78-a8c5-72ed2dafa4f9.png]
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Re: [ovs-discuss] ovs-vswitchd 3.1.7 segfault

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