Do not run dhclient if the interface is already up.

diff --git a/hooks/run-dhclient.sh b/hooks/run-dhclient.sh
index fcf890ef8512877ef16e0bf5b7ff2209a0661f21..afab037006e21422ec16192267bf88e6f0c4e9ca 100755 (executable)
--- a/hooks/run-dhclient.sh
+++ b/hooks/run-dhclient.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 for i in /net.*.dhcp; do
     dev=${i#net.}; dev=${i%.dhcp}
+    [ -f "/net.$dev.up" ] && continue
     dhclient -1 -q $dev &
 done
 wait