-etc/rrqnet/ifupdown.sh etc/network/if-post-down.d/rrqnet
etc/rrqnet/ifupdown.sh etc/network/if-pre-up.d/rrqnet
+etc/rrqnet/ifupdown.sh etc/network/if-up.d/rrqnet
+etc/rrqnet/ifupdown.sh etc/network/if-post-down.d/rrqnet
+etc/rrqnet/ifupdown.sh etc/network/if-down.d/rrqnet