Hello

 

         I’m encountered a problem that ovs-vswitchd got stuck while I
tried to delete the dpdk port from bridge in in probability, when I turn off
hw-offload,it’s won’t happen again.I’m using the latest ovs 2.13.1
version, CentOS 7.6, please help me out here, thanks in advance.

 

Here is the ovs-vswitchd stack, it seems a deadlock:

Thread 41 (Thread 0x7f2e2fdfe700 (LWP 156099)):

#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0

#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0

#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0

#3  0x00007f2e98562318 in ovs_mutex_lock_at () from /lib64/libopenvswitch-2.
13.so.0

#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from
/lib64/libopenvswitch-2.13.so.0

#5  0x00007f2e984c5504 in get_dpif_flow_status () from
/lib64/libopenvswitch-2.13.so.0

#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from
/lib64/libopenvswitch-2.13.so.0

#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from
/lib64/libopenvswitch-2.13.so.0

#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from
/lib64/libopenvswitch-2.13.so.0

#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.
so.0

#10 0x00007f2e98b46db3 in udpif_revalidator () from
/lib64/libofproto-2.13.so.0

#11 0x00007f2e9856307f in ovsthread_wrapper () from /lib64/libopenvswitch-2.
13.so.0

#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0

#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6

Thread 40 (Thread 0x7f2e2fbfd700 (LWP 156100)):

#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0

#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0

#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0

#3  0x00007f2e98562318 in ovs_mutex_lock_at () from /lib64/libopenvswitch-2.
13.so.0

#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from
/lib64/libopenvswitch-2.13.so.0

#5  0x00007f2e984c5504 in get_dpif_flow_status () from
/lib64/libopenvswitch-2.13.so.0

#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from
/lib64/libopenvswitch-2.13.so.0

#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from
/lib64/libopenvswitch-2.13.so.0

#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from
/lib64/libopenvswitch-2.13.so.0

#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.
so.0

#10 0x00007f2e98b46db3 in udpif_revalidator () from
/lib64/libofproto-2.13.so.0

#11 0x00007f2e9856307f in ovsthread_wrapper () from /lib64/libopenvswitch-2.
13.so.0

#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0

#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6

 

…

Thread 1 (Thread 0x7f2eaa999000 (LWP 155698)):

#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6

#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0

#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0

#3  0x00007f2e98562f78 in ovs_barrier_block () from /lib64/libopenvswitch-2.
13.so.0

#4  0x00007f2e98b432be in dp_purge_cb () from /lib64/libofproto-2.13.so.0

#5  0x00007f2e984c8391 in dp_netdev_del_pmd () from /lib64/libopenvswitch-2.
13.so.0

#6  0x00007f2e984c9a67 in reconfigure_datapath () from
/lib64/libopenvswitch-2.13.so.0

#7  0x00007f2e984cacbd in do_del_port () from /lib64/libopenvswitch-2.13.so.
0

#8  0x00007f2e984ccd5f in dpif_netdev_port_del () from
/lib64/libopenvswitch-2.13.so.0

#9  0x00007f2e984d74dc in dpif_port_del () from
/lib64/libopenvswitch-2.13.so.0

#10 0x00007f2e98b31595 in port_del () from /lib64/libofproto-2.13.so.0

#11 0x00007f2e98b1fe90 in ofproto_port_del () from
/lib64/libofproto-2.13.so.0

#12 0x000056187a856aa6 in bridge_delete_or_reconfigure_ports ()

#13 0x000056187a858490 in bridge_reconfigure ()

#14 0x000056187a85be26 in bridge_run ()

#15 0x000056187a85235d in main ()

 

Thread 78 (Thread 0x7f2e946ad700 (LWP 155699)):
#0  0x00007f2e96a3a483 in epoll_wait () from /lib64/libc.so.6
#1  0x00007f2ea7e606da in eal_intr_thread_main () from /lib64/librte_eal.so.20.0
#2  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 77 (Thread 0x7f2e944ac700 (LWP 155700)):
#0  0x00007f2e97522b4d in recvmsg () from /lib64/libpthread.so.0
#1  0x00007f2ea7e6da0a in mp_handle () from /lib64/librte_eal.so.20.0
#2  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 76 (Thread 0x7f2e942ab700 (LWP 155730)):
#0  0x00007f2e96a00e2d in nanosleep () from /lib64/libc.so.6
#1  0x00007f2e96a00cc4 in sleep () from /lib64/libc.so.6
#2  0x00007f2e9859d40f in xsleep () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e985cfc66 in dpdk_watchdog () from /lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 75 (Thread 0x7f2e8ffff700 (LWP 155731)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98560975 in ovsrcu_synchronize () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e985609f8 in ovsrcu_call_postponed () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e98560c54 in ovsrcu_postpone_thread () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 74 (Thread 0x7f2e8fdfe700 (LWP 155756)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984afd90 in clean_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 73 (Thread 0x7f2e8fbfd700 (LWP 155758)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984e4b63 in ipf_clean_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 72 (Thread 0x7f2e8f133700 (LWP 155765)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c75c4 in dp_netdev_flow_offload_put () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c7908 in dp_netdev_flow_offload_main () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 71 (Thread 0x7f2da232c700 (LWP 155959)):
#0  0x00007f2e984d1852 in dp_netdev_process_rxq_port () from 
/lib64/libopenvswitch-2.13.so.0
#1  0x00007f2e984d1b89 in pmd_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 70 (Thread 0x7f2da1862700 (LWP 155960)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984d210b in pmd_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 69 (Thread 0x7f2da0d98700 (LWP 155961)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984d210b in pmd_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 68 (Thread 0x7f2da02ce700 (LWP 155964)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984d210b in pmd_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 67 (Thread 0x7f2d9b736700 (LWP 155970)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984d210b in pmd_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 66 (Thread 0x7f2d996d8700 (LWP 155992)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e984d210b in pmd_thread_main () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 65 (Thread 0x7f2e8d726700 (LWP 156075)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 64 (Thread 0x7f2e8d927700 (LWP 156076)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 63 (Thread 0x7f2e8db28700 (LWP 156077)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 62 (Thread 0x7f2e8dd29700 (LWP 156078)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 61 (Thread 0x7f2e8df2a700 (LWP 156079)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 60 (Thread 0x7f2e8e12b700 (LWP 156080)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 59 (Thread 0x7f2e8e32c700 (LWP 156081)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 58 (Thread 0x7f2e8e52d700 (LWP 156082)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 57 (Thread 0x7f2e8e72e700 (LWP 156083)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 56 (Thread 0x7f2e8e92f700 (LWP 156084)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 55 (Thread 0x7f2e8eb30700 (LWP 156085)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 54 (Thread 0x7f2e8ed31700 (LWP 156086)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 53 (Thread 0x7f2e8ef32700 (LWP 156087)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 52 (Thread 0x7f2e8d525700 (LWP 156088)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 51 (Thread 0x7f2e8d324700 (LWP 156089)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 50 (Thread 0x7f2e8d123700 (LWP 156090)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 49 (Thread 0x7f2e8cf22700 (LWP 156091)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 48 (Thread 0x7f2e8cd21700 (LWP 156092)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 47 (Thread 0x7f2e8cb20700 (LWP 156093)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 46 (Thread 0x7f2e8c91f700 (LWP 156094)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 45 (Thread 0x7f2e8c71e700 (LWP 156095)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 44 (Thread 0x7f2e8c51d700 (LWP 156096)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 43 (Thread 0x7f2e8c31c700 (LWP 156097)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 42 (Thread 0x7f2e2ffff700 (LWP 156098)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 41 (Thread 0x7f2e2fdfe700 (LWP 156099)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 40 (Thread 0x7f2e2fbfd700 (LWP 156100)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 39 (Thread 0x7f2e2f9fc700 (LWP 156101)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 38 (Thread 0x7f2e2f7fb700 (LWP 156102)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 37 (Thread 0x7f2e2f5fa700 (LWP 156103)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 36 (Thread 0x7f2e2f3f9700 (LWP 156104)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 35 (Thread 0x7f2e2f1f8700 (LWP 156105)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 34 (Thread 0x7f2e2eff7700 (LWP 156106)):
#0  0x00007f2e975224ed in __lll_lock_wait () from /lib64/libpthread.so.0
#1  0x00007f2e9751dde6 in _L_lock_941 () from /lib64/libpthread.so.0
#2  0x00007f2e9751dcdf in pthread_mutex_lock () from /lib64/libpthread.so.0
#3  0x00007f2e98562318 in ovs_mutex_lock_at () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e984c5469 in dpif_netdev_get_flow_offload_status () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e984c5504 in get_dpif_flow_status () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984cd411 in dp_netdev_flow_to_dpif_flow () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cd708 in dpif_netdev_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984d86f2 in dpif_flow_dump_next () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e98b46547 in revalidate.isra.23 () from /lib64/libofproto-2.13.so.0
#10 0x00007f2e98b46db3 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#12 0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 33 (Thread 0x7f2da2df6700 (LWP 156107)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 32 (Thread 0x7f2da2ff7700 (LWP 156108)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 31 (Thread 0x7f2da31f8700 (LWP 156109)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 30 (Thread 0x7f2da33f9700 (LWP 156110)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 29 (Thread 0x7f2da35fa700 (LWP 156111)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 28 (Thread 0x7f2da37fb700 (LWP 156112)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 27 (Thread 0x7f2da39fc700 (LWP 156113)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 26 (Thread 0x7f2da3bfd700 (LWP 156114)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 25 (Thread 0x7f2da3dfe700 (LWP 156115)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 24 (Thread 0x7f2da3fff700 (LWP 156116)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 23 (Thread 0x7f2e2c3e1700 (LWP 156117)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 22 (Thread 0x7f2e2c5e2700 (LWP 156118)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 21 (Thread 0x7f2e2c7e3700 (LWP 156119)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 20 (Thread 0x7f2e2c9e4700 (LWP 156120)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 19 (Thread 0x7f2e2cbe5700 (LWP 156121)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 18 (Thread 0x7f2e2cde6700 (LWP 156122)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 17 (Thread 0x7f2e2cfe7700 (LWP 156123)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 16 (Thread 0x7f2e2d1e8700 (LWP 156124)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 15 (Thread 0x7f2e2d3e9700 (LWP 156125)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 14 (Thread 0x7f2e2edf6700 (LWP 156126)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 13 (Thread 0x7f2e2ebf5700 (LWP 156127)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 12 (Thread 0x7f2e2e9f4700 (LWP 156129)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 11 (Thread 0x7f2e2e7f3700 (LWP 156130)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b463b1 in udpif_upcall_handler () from 
/lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 10 (Thread 0x7f2e2e5f2700 (LWP 156131)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98b46ee7 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#4  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#5  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 9 (Thread 0x7f2e2e3f1700 (LWP 156132)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x7f2e2e1f0700 (LWP 156133)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7f2e2dfef700 (LWP 156134)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7f2e2ddee700 (LWP 156135)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7f2e2dbed700 (LWP 156136)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f2e2d9ec700 (LWP 156137)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f2e2d7eb700 (LWP 156138)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f2e2d5ea700 (LWP 156139)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b46d93 in udpif_revalidator () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e9856307f in ovsthread_wrapper () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e9751bdd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f2e96a39ead in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f2eaa999000 (LWP 155698)):
#0  0x00007f2e96a2f20d in poll () from /lib64/libc.so.6
#1  0x00007f2e98593064 in time_poll () from /lib64/libopenvswitch-2.13.so.0
#2  0x00007f2e9857a50c in poll_block () from /lib64/libopenvswitch-2.13.so.0
#3  0x00007f2e98562f78 in ovs_barrier_block () from 
/lib64/libopenvswitch-2.13.so.0
#4  0x00007f2e98b432be in dp_purge_cb () from /lib64/libofproto-2.13.so.0
#5  0x00007f2e984c8391 in dp_netdev_del_pmd () from 
/lib64/libopenvswitch-2.13.so.0
#6  0x00007f2e984c9a67 in reconfigure_datapath () from 
/lib64/libopenvswitch-2.13.so.0
#7  0x00007f2e984cacbd in do_del_port () from /lib64/libopenvswitch-2.13.so.0
#8  0x00007f2e984ccd5f in dpif_netdev_port_del () from 
/lib64/libopenvswitch-2.13.so.0
#9  0x00007f2e984d74dc in dpif_port_del () from /lib64/libopenvswitch-2.13.so.0
#10 0x00007f2e98b31595 in port_del () from /lib64/libofproto-2.13.so.0
#11 0x00007f2e98b1fe90 in ofproto_port_del () from /lib64/libofproto-2.13.so.0
#12 0x000056187a856aa6 in bridge_delete_or_reconfigure_ports ()
#13 0x000056187a858490 in bridge_reconfigure ()
#14 0x000056187a85be26 in bridge_run ()
#15 0x000056187a85235d in main ()
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