[ 1418.164652][T31247] gre: GRE over IPv4 demultiplexer driver
[ 1418.592899][T31270] ip_gre: GRE over IPv4 tunneling driver
[ 1434.306539][T31843] ip6_gre: GRE over IPv6 tunneling driver
[ 1439.750917][T32094] ping (32094) used greatest stack depth: 23320 bytes left
[ 1441.849179][T31174] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1444.576110][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1446.560120][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1448.416117][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1450.400125][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1471.227410][  T758] ping (758) used greatest stack depth: 23024 bytes left