[ 1486.439763][ T5730] gre: GRE over IPv4 demultiplexer driver
[ 1486.873887][ T5753] ip_gre: GRE over IPv4 tunneling driver
[ 1502.540958][ T6326] ip6_gre: GRE over IPv6 tunneling driver
[ 1507.991365][ T6575] ping (6575) used greatest stack depth: 23248 bytes left
[ 1512.860872][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1514.844842][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1516.699846][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.683852][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!