[ 4404.470925][T29199] gre: GRE over IPv4 demultiplexer driver
[ 4406.182444][T29222] ip_gre: GRE over IPv4 tunneling driver
[ 4456.268433][T29801] ip6_gre: GRE over IPv6 tunneling driver
[ 4473.757489][T14467] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4477.536692][T30050] ping (30050) used greatest stack depth: 23440 bytes left
[ 4491.100308][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4496.092310][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4500.572348][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4505.564353][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4578.050638][T31190] ping (31190) used greatest stack depth: 23024 bytes left