[ 1381.753871][T28842] gre: GRE over IPv4 demultiplexer driver
[ 1382.236157][T28865] ip_gre: GRE over IPv4 tunneling driver
[ 1398.127710][T29436] ip6_gre: GRE over IPv6 tunneling driver
[ 1404.815870][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1405.742540][T29779] ping (29779) used greatest stack depth: 23168 bytes left
[ 1408.607804][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1410.591809][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1412.447815][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1414.431805][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!