package/base-files/files/etc/hotplug2-init.rules

   1 DEVICENAME ~~ (tun|tap[0-9]) {
   2         makedev /dev/net/%DEVICENAME% 0644
   3         next
   4 }
   5
   6 DEVPATH is set {
   7         makedev /dev/%DEVICENAME% 0644
   8 }
   9
  10 SUBSYSTEM ~~ button {
  11         exec kill -USR1 1 ;
  12 }