** Description changed:
Server info (20.04)
After i updated my docker server yesterday i had to reboot because of a
kernel update (new version 5.4.0-58-generic x86_64). My main network interface
that i use all of a sudden failed to apply its configuration and was not able
to connect. I believe this issue is linked to this bug (Bug #1860926) but not
exactly the same issue.
When setting up my server on first install i used the startup walk-through to
auto configure my eno1&eno2 network bond. I unfortunately didn't save the
previous netplan yaml to post here,but it had said it was written by subiquity.
Every time i tried to apply the netplan it replied that eno2 was not defined. I
had to change the yaml to this configuration to get my link back up.
network:
- bonds:
- bond0:
- interfaces:
- - eno1
- - eno2
- parameters:
- mode: balance-rr
- ethernets:
- eno1: {}
- eno2: {}
- version: 2
- bridges:
- br0:
- addresses:
- - 172.16.10.2/24
- dhcp4: false
- gateway4: 172.16.10.254
- nameservers:
- addresses:
- - 172.16.10.251
- - 172.16.10.254
- search: []
- interfaces:
- - bond0
+ bonds:
+ bond0:
+ interfaces:
+ - eno1
+ - eno2
+ parameters:
+ mode: balance-rr
+ ethernets:
+ eno1: {}
+ eno2: {}
+ version: 2
+ bridges:
+ br0:
+ addresses:
+ - 172.16.10.2/24
+ dhcp4: false
+ gateway4: 172.16.10.254
+ nameservers:
+ addresses:
+ - 172.16.10.251
+ - 172.16.10.254
+ search: []
+ interfaces:
+ - bond0
+
+ I found this in my syslog right after the reboot from update,
+
+ /usr/lib/systemd/system-generators/netplan failed with exit status 1.
+ PRIORITY 3
+ SYSLOG_FACILITY 3
+ SYSLOG_IDENTIFIER systemd
+ SYSLOG_PID 675
+ _BOOT_ID de464fb514a34d149ca9ace3c7ee5a83
+ _HOSTNAME bagul.dev
+ _MACHINE_ID e610a37f963a4ad499cd78b0e181e679
+ _SOURCE_MONOTONIC_TIMESTAMP 46968227
+ _TRANSPORT kernel
+ __CURSOR
s=0b1205c7c02b486389e1f63666ec005f;i=15575e;b=de464fb514a34d149ca9ace3c7ee5a83;m=2e45a41;t=5b77d16e3b0b9;x=e5d61684f5e8d985
+ __MONOTONIC_TIMESTAMP 48519745
+ __REALTIME_TIMESTAMP 1609122766368953
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https://bugs.launchpad.net/bugs/1909792
Title:
System generated network bond fails after kernel update.
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