[ 1411.850146][T28334] gre: GRE over IPv4 demultiplexer driver
[ 1412.265522][T28357] ip_gre: GRE over IPv4 tunneling driver
[ 1427.591613][T28930] ip6_gre: GRE over IPv6 tunneling driver
[ 1434.840731][T29274] ping (29274) used greatest stack depth: 23360 bytes left
[ 1437.639236][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1439.623233][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1441.415216][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1443.399227][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!