Revert to per-device resolv.conf by Seewer's suggestion.

modules.d/40network/dhclient-script

@@ -32,12 +32,12 @@ setup_interface() {
 
     [ -n "$gw" ] && echo ip route add default via $gw dev $netif > /tmp/net.$netif.gw
 
-    [ -n "${search}${domain}" ] && echo "search $search $domain" > /tmp/resolv.conf
+    [ -n "${search}${domain}" ] && echo "search $search $domain" > /tmp/net.$netif.resolv.conf
     if  [ -n "$namesrv" ] ; then
 	for s in $namesrv; do
 	    echo nameserver $s 
 	done
-    fi >> /tmp/resolv.conf
+    fi >> /tmp/net.$netif.resolv.conf
 
     [ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname
 }

modules.d/40network/netroot

@@ -75,7 +75,7 @@ done
 
 [ -e /tmp/net.$netif.gw ]          && . /tmp/net.$netif.gw
 [ -e /tmp/net.$netif.hostname ]    && . /tmp/net.$netif.hostname
-[ -e /tmp/resolv.conf ] && cp -f /tmp/resolv.conf /etc/resolv.conf
+[ -e /tmp/net.$netif.resolv.conf ] && cp -f /tmp/net.$netif.resolv.conf /etc/resolv.conf
 
 # Load interface options
 [ -e /tmp/net.$netif.override ] && . /tmp/net.$netif.override

modules.d/45ifcfg/write-ifcfg.sh

@@ -55,6 +55,6 @@ done
 mkdir /dev/.initramfs/
 cp /tmp/net.* /dev/.initramfs/ >/dev/null 2>&1
 mkdir -p /dev/.initramfs/state/etc/sysconfig/network-scripts/
-cp /tmp/resolv.conf /dev/.initramfs/state/etc/ >/dev/null 2>&1
+cp /tmp/net.$netif.resolv.conf /dev/.initramfs/state/etc/ >/dev/null 2>&1
 echo "files /etc/sysconfig/network-scripts" > /dev/.initramfs/rwtab
 cp -a /tmp/ifcfg/* /dev/.initramfs/state/etc/sysconfig/network-scripts/ >/dev/null 2>&1