Public bug reported:
Over time the netlink interfaces for PCI devices of VF's of a Mellanox
ConnectX 5 card disappear:
# mlnx-switchdev-mode show
0000:61:00.0 eno1 igb PF
0000:61:00.1 eno2 igb PF
0000:81:00.0 enp129s0f0 mlx5_core PF
0000:81:00.1 enp129s0f1 mlx5_core PF
0000:81:02.6 enp129s0f0v20 mlx5_core VF of enp129s0f0
0000:81:03.2 enp129s0f0v24 mlx5_core VF of enp129s0f0
# ip link
[...]
103: enp129s0f1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq
master bond0 state UP mode DEFAULT group default qlen 1000
link/ether 04:3f:72:9f:35:8c brd ff:ff:ff:ff:ff:ff
vf 0 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 1 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 2 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 3 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 4 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 5 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 6 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 7 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 8 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 9 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof checking
off, link-state auto, trust off, query_rss off
vf 10 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 11 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 12 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 13 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 14 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 15 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 16 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 17 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 18 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 19 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 20 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 21 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 22 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 23 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 24 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 25 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 26 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 27 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 28 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 29 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 30 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
vf 31 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff, spoof
checking off, link-state auto, trust off, query_rss off
** Affects: nova (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1907086
Title:
hardware offloaded PCI devices don't have associated netlink
interfaces
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