[ 1352.546789][T10807] gre: GRE over IPv4 demultiplexer driver
[ 1353.029823][T10830] ip_gre: GRE over IPv4 tunneling driver
[ 1369.090285][T11409] ip6_gre: GRE over IPv6 tunneling driver
[ 1372.745053][   T52] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1374.628862][T11658] ping (11658) used greatest stack depth: 22496 bytes left
[ 1379.568002][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1381.552988][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1383.407988][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.456001][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!