From 32770ca79a1f6828ca9fdf4b6841e6a6d4e4754a Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Wed, 19 Aug 2015 14:00:28 +0200 Subject: [PATCH] network/ifup.sh:do_static(): error out, if IP is already assigned --- modules.d/40network/ifup.sh | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh index 1ee89bf..e51b453 100755 --- a/modules.d/40network/ifup.sh +++ b/modules.d/40network/ifup.sh @@ -160,6 +160,15 @@ do_static() { return 1 fi + ip route get "$ip" | { + read a rest + if [ "$a" = "local" ]; then + warn "Not assigning $ip to interface $netif, cause it is already assigned!" + return 1 + fi + return 0 + } || return 1 + [ -n "$macaddr" ] && ip link set address $macaddr dev $netif [ -n "$mtu" ] && ip link set mtu $mtu dev $netif if strstr $ip '*:*:*'; then