Also affecting Kubuntu 16.04 (kubuntu 15.10+dist-upgrade)
dbus[] [system] Rejected send message, 10 matched rules; type="method_return", sender=":1.47" (uid=0 pid=2075 comm="/usr/sbin/dnsmasq --no-resolv --keep-in-foreground") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.2" (uid=0 pid=846 comm="/usr/sbin/NetworkManager --no-daemon ")
Also affecting Kubuntu 16.04 (kubuntu 15.10+dist-upgrade)
dbus[] [system] Rejected send message, 10 matched rules; type="method_ return" , sender=":1.47" (uid=0 pid=2075 comm="/ usr/sbin/ dnsmasq --no-resolv --keep- in-foreground" ) interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.2" (uid=0 pid=846 comm="/ usr/sbin/ NetworkManager --no-daemon ")