[ 4313.384941][T29269] gre: GRE over IPv4 demultiplexer driver
[ 4314.933952][T29293] ip_gre: GRE over IPv4 tunneling driver
[ 4362.969399][T29866] ip6_gre: GRE over IPv6 tunneling driver
[ 4391.132243][T30209] ping (30209) used greatest stack depth: 23488 bytes left
[ 4396.290316][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4401.281212][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4405.505208][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4410.433218][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!