[ 4251.636506][T31184] gre: GRE over IPv4 demultiplexer driver
[ 4253.258863][T31207] ip_gre: GRE over IPv4 tunneling driver
[ 4303.196849][T31779] ip6_gre: GRE over IPv6 tunneling driver
[ 4337.374767][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4342.493720][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4346.845742][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4351.901697][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4425.061338][  T700] ping (700) used greatest stack depth: 23328 bytes left