[ 2548.989953][T16478] gre: GRE over IPv4 demultiplexer driver
[ 2550.558053][T16501] ip_gre: GRE over IPv4 tunneling driver
[ 2598.155071][T17080] ip6_gre: GRE over IPv6 tunneling driver
[ 2625.793287][T17423] ping (17423) used greatest stack depth: 23528 bytes left
[ 2630.958199][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2635.758076][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2639.919049][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2644.719075][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!