[ 3575.796502][T28290] gre: GRE over IPv4 demultiplexor driver
[ 3577.949052][T28313] ip_gre: GRE over IPv4 tunneling driver
[ 3638.425818][T28886] ip6_gre: GRE over IPv6 tunneling driver
[ 3679.140848][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3684.836778][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3689.700792][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3695.332815][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3778.366645][T30217] ping (30217) used greatest stack depth: 22736 bytes left