[ 1314.007472][T31824] gre: GRE over IPv4 demultiplexer driver
[ 1314.580807][T31847] ip_gre: GRE over IPv4 tunneling driver
[ 1322.601892][T32193] ping (32193) used greatest stack depth: 23152 bytes left
[ 1331.363050][T32418] ip6_gre: GRE over IPv6 tunneling driver
[ 1337.344799][T32667] ping (32667) used greatest stack depth: 22952 bytes left
[ 1342.450431][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1344.562371][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1346.482389][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1348.595395][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!