To reproduce, add network without prefix:
vyos@r11-roll# set container network NET03
[edit]
vyos@r11-roll# commit
[ container ]
VyOS had an issue completing a command.
Report time: 2021-11-09 18:39:28
Image version: VyOS 1.4-rolling-202111090317
Release train: sagitta
Built by: autobuild@vyos.net
Built on: Tue 09 Nov 2021 03:17 UTC
Build UUID: 65b8318e-dbe2-4856-a090-cefd6713891d
Build commit ID: ee81272116cd68
Architecture: x86_64
Boot via: installed image
System type: KVM guest
Hardware vendor: QEMU
Hardware model: Standard PC (Q35 + ICH9, 2009)
Hardware S/N:
Hardware UUID: 8e21d64e-e498-475c-9866-290cd53a3b86
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/containers.py", line 325, in <module>
verify(c)
File "/usr/libexec/vyos/conf_mode/containers.py", line 161, in verify
raise ConfigError(f'prefix for network "{net}" must be defined!')
NameError: name 'net' is not defined
[[container]] failed
Commit failed
[edit]
vyos@r11-roll#