[ 2933.979448][T29312] gre: GRE over IPv4 demultiplexor driver
[ 2934.955094][T29335] ip_gre: GRE over IPv4 tunneling driver
[ 2966.203543][T29908] ip6_gre: GRE over IPv6 tunneling driver
[ 2969.816811][T29976] ping (29976) used greatest stack depth: 23616 bytes left
[ 2972.337534][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 2976.945357][T19412] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 2983.991014][ T4212] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 2987.696253][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2991.152243][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2994.160265][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2997.808294][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3103.923517][T32426] ping (32426) used greatest stack depth: 22912 bytes left