[ 4437.820361][T26100] gre: GRE over IPv4 demultiplexor driver
[ 4439.879360][T26123] ip_gre: GRE over IPv4 tunneling driver
[ 4500.265894][T26694] ip6_gre: GRE over IPv6 tunneling driver
[ 4507.310601][T26756] ping (26756) used greatest stack depth: 23200 bytes left
[ 4541.753894][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4547.641766][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4552.697800][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4558.585762][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!