netplan.script crashed with subprocess.CalledProcessError in check_call(): Command '['systemctl', 'start', '--no-block', 'NetworkManager.service']' returned non-zero exit status 1.

[Kor Shantanu Nitin]

Inconsistencies in network connectivity are observed.

ProblemType: Crash
DistroRelease: Ubuntu 21.04
Package: netplan.io 0.100-0ubuntu5
ProcVersionSignature: Ubuntu 5.8.0-28.30-generic 5.8.14
Uname: Linux 5.8.0-28-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu53
Architecture: amd64
CasperMD5CheckResult: skip
Date: Wed Dec 2 05:07:54 2020
ExecutablePath: /usr/share/netplan/netplan.script
InstallationDate: Installed on 2020-10-31 (31 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
InterpreterPath: /usr/bin/python3.8
ProcCmdline: /usr/bin/python3 /usr/sbin/netplan apply
ProcEnviron:
 LANGUAGE=en_IN:en
 LANG=en_IN
 TERM=xterm-256color
 PATH=(custom, no user)
 SHELL=/bin/bash
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-1
PythonArgs: ['/usr/sbin/netplan', 'apply']
PythonDetails: N/A
RebootRequiredPkgs:
 evolution-data-server
 gnome-shell
 network-manager
 evolution-data-server
 gnome-shell
SourcePackage: netplan.io
Title: netplan.script crashed with subprocess.CalledProcessError in check_call(): Command '['systemctl', 'start', '--no-block', 'NetworkManager.service']' returned non-zero exit status 1.
UpgradeStatus: Upgraded to hirsute on 2020-11-28 (3 days ago)
UserGroups: N/A

[Lukas Märdian (slyon)]

I cannot seem to reproduce this. I suppose something is wrong with the NetworkManager service here. Did you modify its configuration? (like enabling the ifupdown plugin?)

Dec 02 05:38:58 hostname NetworkManager[307724]: <warn> [1606867738.6765] ifupdown: interfaces file /etc/network/interfaces doesn't exist
Dec 02 05:38:58 hostname NetworkManager[307724]: <warn> [1606867738.8024] Error: failed to open /run/network/ifstate
Dec 02 05:38:58 hostname NetworkManager[307724]: <warn> [1606867738.9312] sup-iface[3dccb4b4be7ac9df,1,wlp7s0]: call-p2p-cancel: failed with P2P cancel failed

Could you provide the `systemctl status NetworkManager.service` output, please?

[Launchpad Janitor (janitor)]

[Expired for netplan.io (Ubuntu) because there has been no activity for 60 days.]