[ 1414.394497][T16538] gre: GRE over IPv4 demultiplexer driver
[ 1414.837305][T16561] ip_gre: GRE over IPv4 tunneling driver
[ 1418.548459][T16720] ping (16720) used greatest stack depth: 23328 bytes left
[ 1431.335113][T17134] ip6_gre: GRE over IPv6 tunneling driver
[ 1437.259518][T17384] ping (17384) used greatest stack depth: 23184 bytes left
[ 1439.400740][T17478] ping (17478) used greatest stack depth: 22944 bytes left
[ 1442.351634][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1444.464599][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1446.384598][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1448.496604][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1470.717096][T18529] ping (18529) used greatest stack depth: 22288 bytes left