-Have stateless initrd be more persistent in acquiring an address

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2379 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/share/xcat/netboot/rh/genimage

@@ -263,6 +263,11 @@ sub mkinitrd {
    }
    print $inifile <<EOMS;
 netstart
+while ! ifconfig | grep inet; do
+    echo Failed to acquire address, retrying
+    sleep 1
+    netstart
+done
 ifconfig lo 127.0.0.1
 ifconfig lo up
 cd /