[ 4466.583285][T30256] gre: GRE over IPv4 demultiplexor driver
[ 4468.229528][T30280] ip_gre: GRE over IPv4 tunneling driver
[ 4516.227906][T30852] ip6_gre: GRE over IPv6 tunneling driver
[ 4537.827437][T31101] ping (31101) used greatest stack depth: 22672 bytes left
[ 4550.704656][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4555.377542][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4559.472546][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4564.208548][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!