[  494.349847][ T1910] gre: GRE over IPv4 demultiplexor driver
[  495.342521][ T1925] ip (1925) used greatest stack depth: 23440 bytes left
[  496.581050][ T1934] ip_gre: GRE over IPv4 tunneling driver
[  561.020713][ T2507] ip6_gre: GRE over IPv6 tunneling driver
[  568.308097][ T2568] ping (2568) used greatest stack depth: 23360 bytes left
[  605.106340][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  611.377290][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  616.626280][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  622.898256][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!