Dear Maintainer,

here is the error:

# systemctl disable dnsmasq.service
Synchronizing state for dnsmasq.service with sysvinit using update-rc.d...
Executing /usr/sbin/update-rc.d dnsmasq defaults
Executing /usr/sbin/update-rc.d dnsmasq disable
insserv: warning: current start runlevel(s) (empty) of script `dnsmasq' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `dnsmasq' overrides LSB defaults (0 1 6).
insserv: FATAL: service dnsmasq is missed in the runlevels 2 3 4 5 to use service pagekite
insserv: exiting now!
update-rc.d: error: insserv rejected the script header