infinity@infinity# set interfaces wwan wwan0 apn airtelgrps.com
[edit]
infinity@infinity# set interfaces wwan wwan0 address dhcp
[edit]
infinity@infinity# commit
[ interfaces wwan wwan0 ]
VyOS had an issue completing a command.

Report time: 2022-11-29 13:12:57
Image version: VyOS 1.4-rolling-202211231135
Release train: current

Built by: Infinity Labs Ltd.
Built on: Wed 23 Nov 2022 11:35 UTC
Build UUID: 141b5eec-9959-4ff0-bfb5-e53861ef00d6
Build commit ID: 594c99e012fd66-dev

Architecture: x86_64
Boot via: livecd
System type: bare metal

Hardware vendor: To be filled by O.E.M.
Hardware model: To be filled by O.E.M.
Hardware S/N: To be filled by O.E.M.
Hardware UUID: 03000200-0400-0500-0006-000700080009

Traceback (most recent call last):

File "/usr/libexec/vyos/conf_mode/interfaces-wwan.py", line 187, in <module>
  apply(c)
File "/usr/libexec/vyos/conf_mode/interfaces-wwan.py", line 144, in apply
  cmd(f'{base_cmd} --simple-disconnect')
File "/usr/lib/python3/dist-packages/vyos/util.py", line 161, in cmd
  raise OSError(code, feedback)

PermissionError: [Errno 1] failed to run command: mmcli --modem 0 --simple-disconnect
returned:
exit code: 1

noteworthy:
cmd 'mmcli --modem 0 --simple-disconnect'
returned (out):

returned (err):
error: couldn't find modem

interfaces wwan wwan0 failed
Commit failed