[ 1361.221675][T19589] gre: GRE over IPv4 demultiplexer driver
[ 1361.797795][T19612] ip_gre: GRE over IPv4 tunneling driver
[ 1378.720644][T20183] ip6_gre: GRE over IPv6 tunneling driver
[ 1383.748978][T20382] ping (20382) used greatest stack depth: 23760 bytes left
[ 1387.032990][T20526] ping (20526) used greatest stack depth: 23168 bytes left
[ 1389.907735][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1391.891728][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1394.004699][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1396.180701][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!