This is still an issue. I like the idea of deleting the bond (e.g.
"networkctl delete bond0" during the "netplan apply" call. But as stated
before by daxtens, we need to make sure not to bring down critical
interfaces, that might be in use.
We could either only apply this only to interfaces, that are not marked
as "critical: true" in netplan or hide it behind a "--force" parameter
to "netplan apply". We should also investigate if there might be other
options in more recent versions of systemd-networkd to make it apply new
bond parameters without bringing down the interface.
Closing the "nplan" component, as that package is no more in any recent
series of Ubuntu.
** Changed in: netplan
Status: Confirmed => Triaged
** Changed in: netplan
Importance: Undecided => Medium
** Changed in: nplan (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1746419
Title:
bond parameters are not changed by 'netplan apply'
Status in netplan:
Triaged
Status in nplan package in Ubuntu:
Invalid
Status in systemd package in Ubuntu:
Won't Fix
Bug description:
I have a yaml file as follows:
network:
version: 2
ethernets:
bonddevs:
match:
name: ens[78]
bonds:
bond0:
interfaces: [bonddevs]
parameters:
mode: active-backup
mii-monitor-interval: 1
addresses:
- 10.10.10.1/24
Say I decide that 1s is too frequent for the MII interval, and I want to
change the interval to 2s.
If I change that in the yaml, then run
# netplan generate
# netplan apply
# cat /proc/net/bonding/bond0|grep "MII Polling Interval (ms)"
MII Polling Interval (ms): 1000
In other words, the change has not been applied.
Running netplan --debug apply prints:
DEBUG:device bond0 operstate is up, not replugging
So I wondered if bringing the bond down would help. It does not:
# ip link set dev bond0 down
# netplan apply
# cat /proc/net/bonding/bond0|grep "MII Polling Interval (ms)"
MII Polling Interval (ms): 1000
However, deleting the link works:
# ip link del dev bond0
# netplan apply
# cat /proc/net/bonding/bond0|grep "MII Polling Interval (ms)"
MII Polling Interval (ms): 2000
This is counter-intuitive behaviour.
Ideally, I would like a regular netplan apply to work without deleting the
bond.
However, a changed to the docs to make this clear would be OK.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: nplan 0.32~17.10.1
ProcVersionSignature: User Name 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
Date: Wed Jan 31 05:47:42 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: nplan
UpgradeStatus: No upgrade log present (probably fresh install)
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