[ 1318.089951][T31900] gre: GRE over IPv4 demultiplexer driver
[ 1318.644149][T31923] ip_gre: GRE over IPv4 tunneling driver
[ 1335.625711][T32501] ip6_gre: GRE over IPv6 tunneling driver
[ 1343.921163][  T376] ping (376) used greatest stack depth: 22952 bytes left
[ 1346.927887][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1349.040291][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.023861][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1353.135855][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!