[ 1372.232675][T16706] gre: GRE over IPv4 demultiplexer driver
[ 1372.653502][T16729] ip_gre: GRE over IPv4 tunneling driver
[ 1377.923477][T16981] ping (16981) used greatest stack depth: 24088 bytes left
[ 1388.027229][T17314] ip6_gre: GRE over IPv6 tunneling driver
[ 1389.471897][T17375] ping (17375) used greatest stack depth: 23808 bytes left
[ 1395.317922][T17657] ping (17657) used greatest stack depth: 22688 bytes left
[ 1395.424633][T13795] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1398.155468][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1400.139473][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1401.931472][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1403.914484][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!