[ 4192.772345][T21344] gre: GRE over IPv4 demultiplexor driver
[ 4194.431380][T21367] ip_gre: GRE over IPv4 tunneling driver
[ 4214.944624][T21622] ping (21622) used greatest stack depth: 24208 bytes left
[ 4242.614162][T21941] ip6_gre: GRE over IPv6 tunneling driver
[ 4258.953458][T22140] ping (22140) used greatest stack depth: 24048 bytes left
[ 4262.991336][T22190] ping (22190) used greatest stack depth: 23440 bytes left
[ 4263.428050][T20922] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4275.459882][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4280.387901][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4284.547930][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4289.347913][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4454.719972][T24454] ping (24454) used greatest stack depth: 23168 bytes left