New comment by eoli3n on void-packages repository

https://github.com/void-linux/void-packages/issues/43766#issuecomment-1537218997

Comment:
[Official documentation](https://docs.gns3.com/docs/getting-started/installation/linux) asks to add user to the ``ubridge`` group.
ubridge is installed but no ubridge group exists on my system.

```
$ xbps-query ubridge
architecture: x86_64
filename-sha256: 4011c4a1e278371ccd7b9e3a259b37e4065d06d693618334980e3811fee6538d
filename-size: 33KB
homepage: https://github.com/GNS3/ubridge
install-date: 2023-05-05 22:45 CEST
install-script: 711B
installed_size: 80KB
license: GPL-3.0-or-later
maintainer: Cameron Nemo <cam@nohom.org>
metafile-sha256: 211fdfdafbde75023efcb6f447d6e573a07d8697399a387e9a6bd5bb4c758bbc
pkgname: ubridge
pkgver: ubridge-0.9.18_2
repository: https://repo-default.voidlinux.org/current
run_depends:
	glibc>=2.36_1
	iniparser>=4.1_1
	libpcap>=1.1.1_1
shlib-requires:
	libc.so.6
	libiniparser.so.1
	libpcap.so.1
short_desc: Bridge for UDP tunnels, Ethernet, TAP and VMnet interfaces
source-revisions: ubridge:f50f428fbe
state: installed

$ grep ubridge /etc/group

$
```