[  147.072806][ T3201] gre: GRE over IPv4 demultiplexer driver
[  147.571472][ T3224] ip_gre: GRE over IPv4 tunneling driver
[  164.079891][ T3795] ip6_gre: GRE over IPv6 tunneling driver
[  169.870512][ T4044] ping (4044) used greatest stack depth: 23328 bytes left
[  174.836493][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  176.884453][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  178.740437][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  180.789457][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  234.651114][ T6433] ip (6433) used greatest stack depth: 22872 bytes left