From cm-wifi-off-no-net.log
D/ConnectivityService( 551): Setting MTU size: rmnet0, 1500
D/ConnectivityService( 551): Adding Route [0.0.0.0/0 -> 10.129.168.227 rmnet0] to network 106
E/Netd ( 179): netlink response contains error (Network is unreachable)
E/ConnectivityService( 551)...