[ 4716.685614][T24711] gre: GRE over IPv4 demultiplexor driver
[ 4718.922332][T24734] ip_gre: GRE over IPv4 tunneling driver
[ 4786.380116][T25307] ip6_gre: GRE over IPv6 tunneling driver
[ 4826.849712][T25651] ping (25651) used greatest stack depth: 21888 bytes left
[ 4833.406894][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4839.805819][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4845.246794][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4851.645811][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!