[ 4183.002987][T21476] gre: GRE over IPv4 demultiplexor driver
[ 4184.708762][T21503] ip_gre: GRE over IPv4 tunneling driver
[ 4232.549485][T22076] ip6_gre: GRE over IPv6 tunneling driver
[ 4252.458289][T22325] ping (22325) used greatest stack depth: 23440 bytes left
[ 4260.121803][T18716] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4264.728713][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4269.464709][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4273.625677][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4278.360690][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!