[ 3206.138242][T22581] gre: GRE over IPv4 demultiplexor driver
[ 3208.128615][T22605] ip_gre: GRE over IPv4 tunneling driver
[ 3268.202676][T23186] ip6_gre: GRE over IPv6 tunneling driver
[ 3288.963756][T23385] ping (23385) used greatest stack depth: 22400 bytes left
[ 3309.552506][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3315.568423][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3320.625427][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3326.512462][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!