smart restart

docker/rootfs/restart-dnsmasq.sh

@@ -1,3 +1,5 @@
 #!/bin/ash
 
-killall dnsmasq ; dnsmasq
+# if there is a running dnsmasq process, kill it and start a new one
+ps | grep dnsmasq | grep -v grep | awk '{print $1}' | xargs kill -9
+dnsmasq