[   29.551957][  T237] gre: GRE over IPv4 demultiplexor driver
[   31.899282][  T260] ip_gre: GRE over IPv4 tunneling driver
[   63.137458][  T543] ip (543) used greatest stack depth: 23616 bytes left
[   93.735046][  T796] ip (796) used greatest stack depth: 23584 bytes left
[   99.390034][  T841] ip6_gre: GRE over IPv6 tunneling driver
[  146.285495][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  152.621362][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  157.998304][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  164.654325][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  407.476115][ T3468] ping (3468) used greatest stack depth: 22640 bytes left