[ 3117.520374][T15908] gre: GRE over IPv4 demultiplexor driver
[ 3119.830391][T15938] ip_gre: GRE over IPv4 tunneling driver
[ 3180.890832][T16512] ip6_gre: GRE over IPv6 tunneling driver
[ 3207.410670][T16762] ping (16762) used greatest stack depth: 23632 bytes left
[ 3223.205771][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3229.285736][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3234.789734][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3241.957731][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!