linuxrc: really math only eth in ifconfig output

diff --git a/linuxrc b/linuxrc
index 44cbcac..eaa4376 100755 (executable)
--- a/linuxrc
+++ b/linuxrc
@@ -549,7 +549,7 @@ if [ -n "$NFS" ]; then
   # loading additional modules
   modLoad sunrpc lockd af_packet nfs
 
-  for INTERFACE in `ifconfig -a | grep '^[eth]' | sed 's/\ .*//'` ; do
+  for INTERFACE in `ifconfig -a | grep '^eth' | sed 's/\ .*//'` ; do
       log_begin_msg "Requesting network configuration using udhcp for ${INTERFACE}:" ; echo
       /static/udhcpc --interface="${INTERFACE}" --foreground --quit --script=/static/udhcp-config.sh
       # echo "press <enter> to start a system shell and configure your system"