[  479.835064][ T1912] gre: GRE over IPv4 demultiplexor driver
[  482.143856][ T1943] ip_gre: GRE over IPv4 tunneling driver
[  503.557518][ T2146] ping (2146) used greatest stack depth: 24312 bytes left
[  508.978771][ T2196] ping (2196) used greatest stack depth: 23920 bytes left
[  543.501824][ T2517] ip6_gre: GRE over IPv6 tunneling driver
[  570.315305][ T2766] ping (2766) used greatest stack depth: 23360 bytes left
[  585.238823][ T2904] ping (2904) used greatest stack depth: 23280 bytes left
[  586.224341][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  592.240266][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  597.488254][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  603.696271][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  816.727651][ T4985] ping (4985) used greatest stack depth: 23120 bytes left