https://lists.ubuntu.com/archives/kernel-team/2024-May/150771.html
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https://bugs.launchpad.net/bugs/2064730
Title:
bonding: fail to enslave an up interface with one netlink message
To
Public bug reported:
[Impact]
After the linux upstream commit a4abfa627c38 ("net: rtnetlink: Enslave device
before bringing it up"), pushed in v6.1, the following set of commands fails:
$ ip link add dummy0 type dummy
$ ip link add bond0 type bond
$ ip link set dummy0 up
$ ip link set dummy0 mas
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https://bugs.launchpad.net/bugs/1968591
Title:
xfrm interface cannot be changed anymore
To manage n
** Tags removed: verification-needed-focal
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Title:
xfrm interface cannot be changed anymore
To manage not
** Description changed:
[Impact]
An xfrm interface cannot be changed any more since Ubuntu-hwe-5.4-5.4.0-105.
In fact, the regression has been introduced by this backport:
https://kernel.ubuntu.com/git/ubuntu/ubuntu-focal.git/commit/?id=13a02539b135
It has been fixed upstream by thi
Public bug reported:
[Impact]
An xfrm interface cannot be changed any more since Ubuntu-hwe-5.4-5.4.0-105. In
fact, the regression has been introduced by this backport:
https://kernel.ubuntu.com/git/ubuntu/ubuntu-focal.git/commit/?id=13a02539b135
It has been fixed upstream by this commit:
https
The patch has been merged in ubuntu focal:
https://kernel.ubuntu.com/git/ubuntu/ubuntu-focal.git/commit/?id=fa748ace5184
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Title:
bonding: arp mon
This patch has been backported in the official linux stable 5.4:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.4.y&id=01a7ecd36d1e
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Public bug reported:
[Impact]
When tuntap interfaces are slaves of a bonding interface, arp monitoring
is unusable.
This is fixed upstream with commit a31d27fbed5d ("tun: fix bonding
active backup with arp monitoring"). It will be included in linux v5.16.
https://git.kernel.org/pub/scm/linux/ke
** Tags removed: verification-needed-bionic
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https://bugs.launchpad.net/bugs/1947164
Title:
ebpf: bpf_redirect fails with ip6 gre interfaces
To
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Title:
ebpf: bpf_redirect fails with ip6 gre interfaces
To
** Tags removed: verification-needed-hirsute
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Title:
ebpf: bpf_redirect fails with ip6 gre interfaces
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Title:
ebpf: bpf_redirect fails with ip6 gre interfaces
To m
Public bug reported:
[Impact]
The tc ebpf bpf_redirect() function cannot be used with ipv6 gre
interface.
This is fixed upstream with commit a3fa449ffcf5 ("net: handle
ARPHRD_IP6GRE in dev_is_mac_header_xmit()"), included in linux v5.14.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/
Public bug reported:
[Impact]
There are cases, where deleting a VRF device can hang waiting for the refcnt to
drop to 0, with the message:
unregister_netdevice: waiting for vrf1 to become free. Usage count = 1
This is fixed upstream with commit b87b04f5019e ("ipv4: Fix device used
for dst_al
** Tags removed: verification-needed-bionic
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https://bugs.launchpad.net/bugs/1935040
Title:
dev_forward_skb: do not scrub skb mark within the sam
** Tags removed: verification-needed-hirsute
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Title:
dev_forward_skb: do not scrub skb mark within the s
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Title:
dev_forward_skb: do not scrub skb mark within the same
Public bug reported:
[Impact]
The ipv6 sysctl entry 'disable_policy' has effect for local packets only
(while the ipv4 version is for all packets coming from the specified
interface).
This is fixed upstream with commit ccd27f05ae7b ("ipv6: fix
'disable_policy' for fwd packets").
https://git.ker
Public bug reported:
[Impact]
The ebpf function 'bpf_redirect' reset the mark when used with the flag
BPF_F_INGRESS.
There are two main problems with that:
- it's not consistent between legacy tunnels and ebpf;
- it's not consistent between ingress and egress.
In fact, the eBPF program can ea
** Tags removed: verification-needed-focal
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https://bugs.launchpad.net/bugs/1896504
Title:
tc/ebpf: unable to use BPF_FUNC_skb_change_head
To man
With a newer kernel, the last command succeeds (not output):
root@ubuntu1804hwe:~# uname -a
Linux ubuntu1804hwe 5.9.0-rc3-ge1b81391421b+6wind-net #1 SMP Mon Sep 21
19:31:31 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu1804hwe:~# tc filter add dev dummy1 egress matchall action bpf obj
./tes
I forget to explain how to check that the tc command was accepted:
root@ubuntu1804hwe:~# tc filter show dev dummy1 egress
filter protocol all pref 49152 matchall chain 0
filter protocol all pref 49152 matchall chain 0 handle 0x1
not_in_hw
action order 1: bpf test.o:[test] id 9 tag 26af
Here is an example:
root@ubuntu1804hwe:~# uname -a
Linux ubuntu1804hwe 5.4.0-47-generic #51~18.04.1-Ubuntu SMP Sat Sep 5 14:35:50
UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu1804hwe:~# cat test.c
#include
#include
#ifndef __section
# define __section(NAME) __attribute__((section(NAME),
Public bug reported:
[Impact]
tc ebpf program that uses BPF_FUNC_skb_change_head are rejected.
This helper exists since linux v4.10, but it cannot be used until the the
upstream commit 6f3f65d80dac ("net: bpf: Allow TC programs to call
BPF_FUNC_skb_change_head"):
https://git.kernel.org/pub/scm
Public bug reported:
[Impact]
When a user dump pdp contextes, it cannot associate them with existing
gtp interfaces. Thus, the dump is unusable.
This problem has been fixed in the upstream commit b274e47d9e3f ("gtp: add
GTPA_LINK info to msg sent to userspace"):
https://git.kernel.org/pub/scm/l
I don't understand which kernel should be tested on xenial. The kernel
4.15.0-112-generic does not have the bug.
** Tags removed: verification-needed-bionic verification-needed-focal
** Tags added: verification-done-bionic verification-done-focal
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Public bug reported:
[Impact]
When the user tries to update the priority field of a SP, the SP is not
updated *AND* a new SP is created. This results to a broken IPsec
configuration.
This problem has been fixed in the upstream commit 4f47e8ab6ab7 ("xfrm: policy:
match with both mark and mask on
Public bug reported:
[Impact]
When a netns is removed, it may corrupt x-netns xfrm interfaces that
have their link part in this netns. It will later trigger an oops when
those interfaces are removed.
This problem has been fixed in the upstream commit c95c5f58b35e ("xfrm
interface: fix oops when
** Tags removed: verification-needed-eoan
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https://bugs.launchpad.net/bugs/1860969
Title:
ipsec interfaces: fix sending with bpf_redirect() / AF_PA
** Description changed:
[SRU Justification]
[Impact]
Packets sent to a vti[6]/xfrm interface via bpf_redirect() or via an
AF_PACKET socket are dropped (no carrier).
This has been fixed in v5.5 by the following upstream commits
- - 95224166a903 ("vti[6]: fix packet tx through bp
** Description changed:
[SRU Justification]
[Impact]
Packets encapsulated into a vxlan tunnel with openvswitch don't have the
same udp source port for the first packet and the following ones of the
same TCP flow in a DOCKER scenario usecase.
In fact, when using the kernel dat
Public bug reported:
[SRU Justification]
[Impact]
Packets sent to a vti[6]/xfrm interface via bpf_redirect() or via an
AF_PACKET socket are dropped (no carrier).
This has been fixed in v5.5 by the following upstream commits
- 95224166a903 ("vti[6]: fix packet tx through bpf_redirect()")
- f04
** Description changed:
- The following upstream patch is missing:
+ [SRU Justification]
- - 993e4c929a07 netns: fix NLM_F_ECHO mechanism for RTM_NEWNSID
+ [Impact]
+
+ The netlink flag NLM_F_ECHO has no effect with the rtnetlink command
+ RTM_NEWNSID. This has been fixed in v5.4 by the upstre
Public bug reported:
The following upstream patch is missing:
- 993e4c929a07 netns: fix NLM_F_ECHO mechanism for RTM_NEWNSID
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=993e4c929a07
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
root@dut-vm:~# ip netns add foo
root@dut-vm:~# ip netns add bar
root@dut-vm:~# ip -n foo netns set bar 0
root@dut-vm:~# ip -n foo link add xfrmi0 link-netnsid 0 type xfrm dev lo if_id
23
root@dut-vm:~# ip -n bar link ls xfrmi0
Device "xfrmi0" does not exist.
root@dut-vm:~# ip -n foo link ls xfrmi0
Tests are ok here.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https://bugs.launchpad.net/bugs/1834465
Title:
ipv6: fix neighbour resolution wi
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Title:
tuntap: correctly set SOCKWQ_ASYNC_NOSPACE
To manage
Here are the official commits from Linus tree:
56c5ee1a5823 ("xfrm interface: fix memory leak on creation")
e9e7e85d75f3 ("xfrm interface: avoid corruption on changelink")
e0aaa332e6a9 ("xfrm interface: ifname may be wrong in logs")
c5d1030f2300 ("xfrm interface: fix list corruption for x-netns")
Tests are ok for us.
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Title:
ipv6: fix neighbour resolution wi
** Description changed:
+ [SRU Justification]
+
+ == Impact ==
+
+ IPv6 packets may be dropped during the neighbor resolution when a
+ userspace program uses IPv6 raw sockets. The commit that introduces
+ this bug has not been identified, but it's here at least from Xenial (4.4).
+ This was fixe
** Changed in: linux (Ubuntu)
Status: Expired => New
** Description changed:
After backport of linux upstream commit 9ed988cd5915 ("packet: validate
variable length ll headers") (https://kernel.ubuntu.com/git/ubuntu
/ubuntu-bionic.git/commit/?id=c6026847a0a1) the following upstream p
** Changed in: linux (Ubuntu)
Status: Expired => New
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Title:
tuntap: correctly set SOCKWQ_ASYNC_NOSPACE
To manage notifications about thi
The series has been included in the ipsec tree:
https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git/log/?h=22d6552f827e
It will hit linus tree soon.
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Public bug reported:
There was several problems reported upstream:
1/ 56c5ee1a5823: xfrm interface: fix memory leak on creation
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=56c5ee1a5823
2/ xfrm interface: avoid corruption on changelink
http://patchwork.ozlabs.org/patc
Public bug reported:
With an IPv6 raw socket, packets may be dropped during the neighbour
resolution. It is fixed upstream by these patches:
9b1c1ef13b35 ipv6: constify rt6_nexthop()
2c6b55f45d53 ipv6: fix neighbour resolution with raw socket
https://git.kernel.org/pub/scm/linux/kernel/git/davem
Can I do something to help?
** Changed in: linux (Ubuntu)
Status: Expired => New
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Title:
macvlan: add ndo_change_proto_down support
To m
This bug is still there, valid packets may be dropped with variable
length protocols like IP tunnels for example. Any actions expected on my
side?
** Changed in: linux (Ubuntu)
Status: Expired => New
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Public bug reported:
The upstream commit 2f3ab6221e4c ("tuntap: correctly set SOCKWQ_ASYNC_NOSPACE")
is missing.
Without this patch, userspace apps that use tuntap may be blocked.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2f3ab6221e4c
** Affects: linux (Ubun
Public bug reported:
The following linux upstream patches are missing to support vrrp with
frr:
- b58996795dc4 ("net: dev: add generic protodown handler")
- 2e8b4ba64676 ("macvlan: add ndo_change_proto_down support")
- 8f1af75df3a7 ("vxlan: add ndo_change_proto_down support")
https://git.kernel.
root@ubuntu1604:~# dpkg --list | grep iproute2
ii iproute2 4.3.0-1ubuntu3.16.04.4
amd64networking and traffic control tools
root@ubuntu1604:~# apt-get install iproute2/xenial-proposed
Reading package lists... Done
Building dependency tree
Public bug reported:
After backport of linux upstream commit 9ed988cd5915 ("packet: validate
variable length ll headers") (https://kernel.ubuntu.com/git/ubuntu
/ubuntu-bionic.git/commit/?id=c6026847a0a1) the following upstream patch
is missing :
https://git.kernel.org/pub/scm/linux/kernel/git/tor
** Tags removed: verification-needed-bionic verification-needed-cosmic
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Title:
t
Any news on this topic?
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Title:
Add bpftool to linux-tools-common
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Tests are ok on my side, thanks.
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Title:
tun/tap: unable to manage carrier state from userland
To manage notifications about this bug go to:
htt
Any news for this patch?
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Title:
tun/tap: unable to manage carrier state from userland
To manage notifications about this bug go to:
https://bug
I reported this bug on behalf of a colleague. He is off this week and
will not be able to test this patch before next week.
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Title:
ip6_gre: fix
This issue is a kernel panic ...
We reproduce it on ubuntu-18.04 with a third party software
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Title:
ip6_gre: fix tunnel list corruption for x-ne
Public bug reported:
The following upstream patch is missing in ubuntu-18.04: ab5098fa25b9
("ip6_gre: fix tunnel list corruption for x-netns").
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ab5098fa25b9
** Affects: linux (Ubuntu)
Importance: Undecided
Public bug reported:
This upstream patch is missing: 26d31925cd5e ("tun: implement carrier
change").
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-
next.git/commit/?id=26d31925cd5e
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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> Note that the iproute2 patch will be needed to use this filter:
>
> https://git.kernel.org/cgit/linux/kernel/git/shemminger/iproute2.git/commit/?id=d5cbf3ff0561
> (embedded headers must be updated also).
This link is dead, here is another one:
https://git.kernel.org/pub/scm/network/iproute2/ipr
It works on my side:
$ ./ip/ip r a 2.2.2.0/24 via 10.0.2.123 dev mgmt0 proto 188 metric 20
$ ./ip/ip r | grep 2.2.2
2.2.2.0/24 via 10.0.2.123 dev mgmt0 proto 188 metric 20
$ mkdir -p /etc/iproute2/rt_protos.d
$ echo "188 foo" > /etc/iproute2/rt_protos.d/bar.conf
$ ./ip/ip r | grep 2.2.2
2.2.2.0/
I tested the patch, it works.
Thank you.
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Title:
iproute2: unable to add ip lwt mpls route on xenial
To manage notifications about this bug go t
** Tags removed: verification-needed-bionic
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Title:
netns: unable to follow an interface that moves to an
Well, it could be a workaround but it would be great to have it in the
4.4 if it's not too complicated for you. What do you think?
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Title:
netns:
Public bug reported:
The following upstream patch (v4.7) is missing in xenial:
450744051d20 ("vfio/pci: Hide broken INTx support from user")
http://scm/kernels/linux-upstream/commit/?id=450744051d20
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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It works for me, thanks!
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Title:
netns: unable to follow an interface that moves to another netns
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The test fails because the attribute IFLA_CARRIER_UP_COUNT and
IFLA_CARRIER_DOWN_COUNT are not declared in this kernel. In this kernel,
IFLA_NEW_IFINDEX has the numeric value of IFLA_CARRIER_UP_COUNT in an upstream
kernel (if I patch iproute2 to use IFLA_CARRIER_UP_COUNT instead of
IFLA_NEW_IFI
Hi Joseph,
we also expect to have those commits in xenial.
The test fails with the patched kernel, only IFLA_NEW_NETNSID seems
there.
With the head of the iproute2 (patches to display those attributes have
been merged this week-end):
root@ubuntu1604:~# ./iproute2/ip/ip monitor link&
[1] 859
roo
Public bug reported:
The following upstream patches are missing (v4.16):
6621dd29eb9b ("dev: advertise the new nsid when the netns iface changes")
c36ac8e23073 ("dev: always advertise the new nsid when the netns iface changes")
38e01b30563a ("dev: advertise the new ifindex when the netns iface ch
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Title:
linux < 4.11: unable to use netfilter logging from no
Still in progress?
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Title:
sched: clsact qdisc is missing in xenial
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Any news for the iproute2 part?
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Title:
sched: Match-all classifier is missing in xenial
To manage notifications about this bug go to:
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Public bug reported:
FRR puts its own proto numbers when inserting a route, example:
$ ip route
[snip]
2.2.2.0/24 via 3.3.3.2 dev eth2 proto 188 metric 20
iproute2 defines some protocols, but not all:
https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/tree/etc/iproute2/rt_protos
A p
** Package changed: linux (Ubuntu) => iproute2 (Ubuntu)
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Title:
iproute2: unable to add ip lwt mpls route on xenial
To manage notifications abou
Public bug reported:
The following command does not work:
$ ip route add 10.201.0.0/24 nexthop encap mpls 300 via 10.200.0.1 dev ntfp2
Error: "nexthop" or end of line is expected instead of "encap"
In fact, iproute2 version points to v4.3.0, but the xenial kernel is a 4.4.
$ ip -V
ip utility, ip
Test is ok on my side.
Thank you for the quick fix!
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Title:
linux < 4.11: unable to use netfilter logging from non-init namespaces
To manage not
Public bug reported:
Was disabled by the following patch (linux 3.10):
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=69b34fb996b2
netfilter: xt_LOG: add net namespace support for xt_LOG
And fixed in linux 4.11:
https://git.kernel.org/pub/scm/linux/kernel/git/torval
This bug was found on ubuntu 16.04.
I don't reproduce the bug with your Artful kernel.
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Title:
bonding: stack dump when unregistering a netdev
Public bug reported:
Here is the reproducer:
ip netns add foo
ip -n foo link add dummy1 type dummy
ip -n foo link add dummy2 type dummy
modprobe bonding
ip -n foo link add bond1 type bond
ip -n foo link set dev bond1 down
ip -n foo addr add 10.10.10.1/24 dev bond1
ip -n foo link set dev bond1 up
What is the plan?
Those patches will be applied again when bug #1703401 will be fixed?
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Title:
linux <3.18: netlink notification is missing when
Thibaut confirms that the bug is resolved for 100G (xenial).
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Title:
linux >= 4.2: bonding 802.3ad does not work with 5G, 25G and 50G link
spee
Thibaut will test the xenial kernel next week. Is it ok?
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Title:
linux >= 4.2: bonding 802.3ad does not work with 5G, 25G and 50G link
speeds
And you said, you had already backport it :D
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https://bugs.launchpad.net/bugs/1697892
Title:
linux >= 4.2: bonding 802.3ad does not work with 5G, 25G and 50G link
speeds
To manage no
As I explain before, we can only test 100G. It means that the third
patch is needed for us to test xenial.
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https://bugs.launchpad.net/bugs/1697892
Title:
linux >= 4.2: bonding 802.3ad
Sorry, I just discussed with Thibaut (he has spotted this bug), and I
forgot one backport:
3952af4d5034 bonding: add 802.3ad support for 100G speeds
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3952af4d5034
This patch has been pushed in kernel 4.5.
We only have 1
** Summary changed:
- linux > 4.2: bonding 802.3ad does not work with 5G, 25G and 50G link speeds
+ linux >= 4.2: bonding 802.3ad does not work with 5G, 25G and 50G link speeds
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https://
Public bug reported:
These upstream patches are needed to correctly handle 5G, 25G and 50G
speeds in 802.3ad:
19ddde1eeca1 bonding: add 802.3ad support for 25G speeds
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19ddde1eeca1e
c7c550670afd bonding: fix 802.3ad sup
My tests are ok, thank you.
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https://bugs.launchpad.net/bugs/1690094
Title:
linux <3.18: netlink notification is missing when an interface is
modified
To manage notifications about t
Public bug reported:
The following upstream patches are missing:
ba9989069f4e rtnl/do_setlink(): notify when a netdev is modified
90c325e3bfe1 rtnl/do_setlink(): last arg is now a set of flags
1889b0e7efe8 rtnl/do_setlink(): set modified when IFLA_LINKMODE is updated
5d1180fcacc5 rtnl/do_setlink()
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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https://bugs.launchpad.net/bugs/1662096
Title:
ipv6: fix a refcnt leak with peer addr
To manage not
There is also two other patches that are needed:
- e7478dfc4656 ipv6: use addrconf_get_prefix_route() to remove peer addr
- 8e3d5be73681 ipv6: Avoid double dst_free
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e7478dfc4656f
http://git.kernel.org/cgit/linux/kernel/git
Public bug reported:
The following upstream patch is missing in ubuntu-14.04:
f24062b07dda ipv6: fix a refcnt leak with peer addr
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f24062b07dda
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Note that the iproute2 patch will be needed to use this filter:
https://git.kernel.org/cgit/linux/kernel/git/shemminger/iproute2.git/commit/?id=d5cbf3ff0561
(embedded headers must be updated also).
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
** Also affect
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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https://bugs.launchpad.net/bugs/1633404
Title:
audit: prevent a new auditd to stop an old auditd sti
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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https://bugs.launchpad.net/bugs/1634545
Title:
ipv6: connected routes are missing after a down/up cy
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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https://bugs.launchpad.net/bugs/1633404
Title:
audit: prevent a new auditd to stop an old auditd sti
** Tags removed: verification-needed-vivid verification-needed-yakkety
** Tags added: verification-done-vivid verification-done-yakkety
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https://bugs.launchpad.net/bugs/1634545
Title:
i
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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https://bugs.launchpad.net/bugs/1634545
Title:
ipv6: connected routes are missing after a down/up cy
It resolves our bug, thank you.
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https://bugs.launchpad.net/bugs/1593235
Title:
ovs/gre,vxlan, geneve: interface deletion are not notified via netlink
with linux >= 4.3
To manage not
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