[  284.946646][ T5662] gre: GRE over IPv4 demultiplexer driver
[  285.414186][ T5685] ip_gre: GRE over IPv4 tunneling driver
[  301.169903][ T6256] ip6_gre: GRE over IPv6 tunneling driver
[  306.641340][ T6505] ping (6505) used greatest stack depth: 23808 bytes left
[  311.487608][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  313.471580][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  315.327581][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  317.311583][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  370.225682][ T8784] ping (8784) used greatest stack depth: 23184 bytes left