[  778.629052][T17730] gre: GRE over IPv4 demultiplexer driver
[  779.091062][T17753] ip_gre: GRE over IPv4 tunneling driver
[  795.755843][T18325] ip6_gre: GRE over IPv6 tunneling driver
[  806.819509][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  808.931463][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  810.851473][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  812.964462][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  835.206737][T19707] ping (19707) used greatest stack depth: 23448 bytes left