[ 4256.852934][T29208] gre: GRE over IPv4 demultiplexer driver
[ 4258.881137][T29231] ip_gre: GRE over IPv4 tunneling driver
[ 4308.047096][T29802] ip6_gre: GRE over IPv6 tunneling driver
[ 4328.717076][T30051] ping (30051) used greatest stack depth: 23488 bytes left
[ 4341.625753][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4346.490637][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4350.650633][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4355.578655][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!