to the point
redebian@redebian-laptop:~$ sudo nano /etc/NetworkManager/nm-system-settings.conf
# This file is installed into /etc/NetworkManager, and is loaded by
# NetworkManager by default. To override, specify: '--config file'
# during NM startup. This can be done by appending to DAEMON_OPTS in
# the file:
#
# /etc/default/NetworkManager
#
[main]
plugins=ifupdown,keyfile
no-auto-default=f0:4d:a2:52:37:46,
[ifupdown]
managed=false
rubah nilai [ifupdown] rubah nilai managed=false menjadi true
ok
