Setting up samba (2:4.3.11+dfsg-0ubuntu0.16.04.6) ...
insserv: warning: current start runlevel(s) (empty) of script `smbd' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `smbd' overrides LSB defaults (0 1 6).
insserv: warning: current start runlevel(s) (empty) of script `nmbd' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `nmbd' overrides LSB defaults (0 1 6).
insserv: warning: current start runlevel(s) (empty) of script `samba-ad-dc' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `samba-ad-dc' overrides LSB defaults (0 1 6).