[ 4283.895708][T29254] gre: GRE over IPv4 demultiplexer driver
[ 4285.438886][T29277] ip_gre: GRE over IPv4 tunneling driver
[ 4312.280812][T29625] ping (29625) used greatest stack depth: 23664 bytes left
[ 4331.762178][T29851] ip6_gre: GRE over IPv6 tunneling driver
[ 4352.059265][T30100] ping (30100) used greatest stack depth: 23488 bytes left
[ 4364.537756][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4369.400665][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4373.496669][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4378.296670][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!