[   13.612425][  T258] gre: GRE over IPv4 demultiplexor driver
[   15.284638][  T281] ip_gre: GRE over IPv4 tunneling driver
[   31.444479][  T485] ping (485) used greatest stack depth: 24624 bytes left
[   35.439358][  T536] ping (536) used greatest stack depth: 24208 bytes left
[   38.770654][  T581] ping (581) used greatest stack depth: 23336 bytes left
[   62.841984][  T857] ip6_gre: GRE over IPv6 tunneling driver
[   95.489390][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  100.353333][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  104.513321][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  109.442341][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!