[ 1315.534878][T31668] gre: GRE over IPv4 demultiplexer driver
[ 1316.080166][T31691] ip_gre: GRE over IPv4 tunneling driver
[ 1322.941597][T31988] ping (31988) used greatest stack depth: 23744 bytes left
[ 1332.770136][T32263] ip6_gre: GRE over IPv6 tunneling driver
[ 1337.535997][T32462] ping (32462) used greatest stack depth: 23560 bytes left
[ 1338.711322][T32513] ping (32513) used greatest stack depth: 22952 bytes left
[ 1343.788574][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1345.899568][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1347.820536][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1349.867596][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!