[ 2918.638323][T25493] gre: GRE over IPv4 demultiplexor driver
[ 2919.621105][T25516] ip_gre: GRE over IPv4 tunneling driver
[ 2936.441091][T25862] ping (25862) used greatest stack depth: 23520 bytes left
[ 2950.145319][T26087] ip6_gre: GRE over IPv6 tunneling driver
[ 2971.133885][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2974.461667][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2977.341665][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2980.669650][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!