[ 1356.123614][ T2932] gre: GRE over IPv4 demultiplexer driver
[ 1356.562078][ T2955] ip_gre: GRE over IPv4 tunneling driver
[ 1363.788008][ T3304] ping (3304) used greatest stack depth: 23480 bytes left
[ 1371.934693][ T3536] ip6_gre: GRE over IPv6 tunneling driver
[ 1376.174890][ T3735] ping (3735) used greatest stack depth: 23232 bytes left
[ 1381.985771][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1383.968745][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.761740][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.745804][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!