incongruend and not working network manager as alpine pointed
incongruend documentation of inexistent group in alpine.. in any case network manager doe snot work very well:
<code class="text">
root@alpine:/usr/share/doc/networkmanager$ more README.alpine
To modify system network connections without the root password: add your user account to the 'plugdev' group.
root@alpine:/usr/share/doc/networkmanager$
</code>
<code class="text">
root@alpine:/usr/share/doc/networkmanager$ cat /etc/group | grep dev
netdev:x:28:general
root@alpine:/usr/share/doc/networkmanager$
</code>
related https://lists.alpinelinux.org/alpine-user/0594.html the wifi does not wor in desktop unless too many tune of the system (where the tunes works)
(from redmine: issue id 9901, created on 2019-01-24)