[ 1529.586528][ T4405] gre: GRE over IPv4 demultiplexer driver
[ 1530.002449][ T4428] ip_gre: GRE over IPv4 tunneling driver
[ 1533.789433][ T4616] ip (4616) used greatest stack depth: 23432 bytes left
[ 1545.542662][ T5001] ip6_gre: GRE over IPv6 tunneling driver
[ 1553.033435][ T5349] ping (5349) used greatest stack depth: 23320 bytes left
[ 1555.844646][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1557.893596][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1559.748597][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1561.732603][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!