[  971.488991][T15880] gre: GRE over IPv4 demultiplexer driver
[  971.936445][T15903] ip_gre: GRE over IPv4 tunneling driver
[  986.963807][T16475] ip6_gre: GRE over IPv6 tunneling driver
[  994.107478][T16818] ping (16818) used greatest stack depth: 23208 bytes left
[  996.857804][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  998.841767][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1000.633767][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1002.616772][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!