[ 1356.293847][T12152] gre: GRE over IPv4 demultiplexer driver
[ 1356.770516][T12176] ip_gre: GRE over IPv4 tunneling driver
[ 1371.979165][T12751] ip6_gre: GRE over IPv6 tunneling driver
[ 1377.268221][T13000] ping (13000) used greatest stack depth: 23904 bytes left
[ 1377.395823][   T63] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1379.179957][T13094] ping (13094) used greatest stack depth: 23360 bytes left
[ 1382.004758][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1383.923757][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.716760][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.699774][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!