[ 1407.549512][ T5612] gre: GRE over IPv4 demultiplexer driver
[ 1407.967481][ T5635] ip_gre: GRE over IPv4 tunneling driver
[ 1423.310670][ T6206] ip6_gre: GRE over IPv6 tunneling driver
[ 1428.633334][ T6455] ping (6455) used greatest stack depth: 22912 bytes left
[ 1433.416071][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1435.400045][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1437.257033][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1439.241035][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!