The output of:
$ apt policy linux-image-generic
should show you where the kernel is installed from (e.g. jammy vs.
jammy-updates). However, based on the version numbers seen in $(uname
-r), it appears you are running 22.04 (jammy) on one machine, and 24.04
(noble) on another? Or, at least, the kernel versions suggest that.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2085835
Title:
"Predictable Network Interface Naming" suddenly changed the name from
enp96s0f0 to enp96s0f0np0 causing outage
Status in linux package in Ubuntu:
Confirmed
Status in systemd package in Ubuntu:
Confirmed
Bug description:
On three identical servers - sleds in a blade chassis.
the NIC name of one of the servers suddenly changed, causing an outage. The
netplan config could not assign IP to the interface due to the name change.
enp96s0f0 to enp96s0f0np0
The two other servers still have the enp96s0f0 name. No BIOS or other
configuration change is detectable between the three systems.
Firmware, software - all the same
I tried to debug this issue myself, but it turned out to be a very niche and
complicated topic.
I went to submit an issue on https://github.com/systemd/systemd/issues, but
they only accept issues for newer versions.
System info:
dundts@mongodb-rs2:~$ lsb_release -rd
Description: Ubuntu 22.04.3 LTS
Release: 22.04
dundts@mongodb-rs2:~$ apt-cache policy systemd
system:
Installiert: 249.11-0ubuntu3.11
Installationskandidat: 249.11-0ubuntu3.12
Versionstabelle:
249.11-0ubuntu3.12 500
500 http://de.archive.ubuntu.com/ubuntu jammy-updates/main amd64
Packages
*** 249.11-0ubuntu3.11 100
100 /var/lib/dpkg/status
249.11-0ubuntu3.7 500
500 http://security.ubuntu.com/ubuntu jammy-security/main amd64
Packages
249.11-0ubuntu3 500
500 http://de.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
dundts@mongodb-rs2:~$ sudo dmesg | grep i40e
[sudo] password for dundts:
[ 3.657531] i40e: Intel(R) Ethernet Connection XL710 Network Driver
[ 3.658208] i40e: Copyright (c) 2013 - 2019 Intel Corporation.
[ 3.715866] i40e 0000:60:00.0: fw 3.1.54559 api 1.5 nvm 3.2d 0x80000b4b
1.1767.0 [8086:37d3] [152d:8a40]
[ 3.720222] i40e 0000:60:00.0: MAC address: d8:c4:97:4c:66:ae
[ 3.720558] i40e 0000:60:00.0: FW LLDP is enabled
[ 3.732613] i40e 0000:60:00.0: Added LAN device PF0 bus=0x60 dev=0x00
func=0x00
[ 3.733075] i40e 0000:60:00.0: Features: PF-id[0] VFs: 32 VSIs: 66 QP: 32
RSS FD_ATR FD_SB NTUPLE DCB VxLAN Geneve PTP VEPA
[ 3.788671] i40e 0000:60:00.1: fw 3.1.54559 api 1.5 nvm 3.2d 0x80000b4b
1.1767.0 [8086:37d3] [152d:8a40]
[ 3.804478] i40e 0000:60:00.1: MAC address: d8:c4:97:4c:66:af
[ 3.804964] i40e 0000:60:00.1: FW LLDP is enabled
[ 3.839982] i40e 0000:60:00.1 eth1: NIC Link is Up, 10 Gbps Full Duplex,
Flow Control: None
[ 3.851939] i40e 0000:60:00.1: Added LAN device PF1 bus=0x60 dev=0x00
func=0x01
[ 3.877994] i40e 0000:60:00.1: Features: PF-id[1] VFs: 32 VSIs: 66 QP: 32
RSS FD_ATR FD_SB NTUPLE DCB VxLAN Geneve PTP VEPA
[ 4.065330] i40e 0000:60:00.0 enp96s0f0np0: renamed from eth0
[ 4.096320] i40e 0000:60:00.1 enp96s0f1np1: renamed from eth1
dundts@mongodb-rs2:~$ sudo udevadm info /sys/class/net/enp96s0f0np0
P:
/devices/pci0000:5d/0000:5d:00.0/0000:5e:00.0/0000:5f:03.0/0000:60:00.0/net/enp96s0f0np0
L: 0
E:
DEVPATH=/devices/pci0000:5d/0000:5d:00.0/0000:5e:00.0/0000:5f:03.0/0000:60:00.0/net/enp96s0f0np0
E: INTERFACE=enp96s0f0np0
E: IFINDEX=2
E: SUBSYSTEM=net
E: USEC_INITIALIZED=4079509
E: ID_MM_CANDIDATE=1
E: ID_NET_NAMING_SCHEME=v249
E: ID_NET_NAME_MAC=enxd8c4974c66ae
E: ID_OUI_FROM_DATABASE=Quanta Computer Inc.
E: ID_NET_NAME_PATH=enp96s0f0np0
E: ID_BUS=pci
E: ID_VENDOR_ID=0x8086
E: ID_MODEL_ID=0x37d3
E: ID_PCI_CLASS_FROM_DATABASE=Network controller
E: ID_PCI_SUBCLASS_FROM_DATABASE=Ethernet controller
E: ID_VENDOR_FROM_DATABASE=Intel Corporation
E: ID_MODEL_FROM_DATABASE=Ethernet Connection X722 for 10GbE SFP+
E: ID_PATH=pci-0000:60:00.0
E: ID_PATH_TAG=pci-0000_60_00_0
E: ID_NET_DRIVER=i40e
E: ID_NET_LINK_FILE=/usr/lib/systemd/network/99-default.link
E: ID_NET_NAME=enp96s0f0np0
E: NM_UNMANAGED=1
E: SYSTEMD_ALIAS=/sys/subsystem/net/devices/enp96s0f0np0
E: TAGS=:systemd:
E: CURRENT_TAGS=:system:
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