[ 4277.414050][T29256] gre: GRE over IPv4 demultiplexer driver
[ 4279.157883][T29279] ip_gre: GRE over IPv4 tunneling driver
[ 4327.677547][T29854] ip6_gre: GRE over IPv6 tunneling driver
[ 4356.023883][T30198] ping (30198) used greatest stack depth: 23488 bytes left
[ 4361.157835][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4366.020745][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4370.053743][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4374.916761][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!