Public bug reported:
Mellanox ConnectX 5 adapter configured with LACP bonding; adapters in
switchdev (offload) mode with VF's configure on both ports.
Kernel continually reports:
Nov 8 10:57:51 node-laveran kernel: [ 2087.912308] bond1: (slave enp3s0f0): An
illegal loopback occurred on slave
Nov 8 10:57:51 node-laveran kernel: [ 2087.912308] Check the configuration to
verify that all adapters are connected to 802.3ad complian
t switch ports
Nov 8 10:57:51 node-laveran kernel: [ 2087.917329] bond1: (slave enp3s0f1): An
illegal loopback occurred on slave
Nov 8 10:57:51 node-laveran kernel: [ 2087.917329] Check the configuration to
verify that all adapters are connected to 802.3ad complian
t switch ports
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-generic-hwe-18.04-edge 5.3.0.19.85
ProcVersionSignature: Ubuntu 5.3.0-19.20~18.04.2-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
Date: Fri Nov 8 10:54:32 2019
ProcEnviron:
TERM=screen-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-meta-hwe-edge
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-meta-hwe-edge (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages uec-images
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https://bugs.launchpad.net/bugs/1851819
Title:
bond: An illegal loopback occurred on slave
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