AA: netifd: backport r36950

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@36951 3c298f89-4303-0410-b956-a3cf2f4a3e73
AA: netifd: backport r36952

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@36953 3c298f89-4303-0410-b956-a3cf2f4a3e73