[ 1385.416503][T14617] gre: GRE over IPv4 demultiplexer driver
[ 1385.932197][T14640] ip_gre: GRE over IPv4 tunneling driver
[ 1390.311643][T14842] ping (14842) used greatest stack depth: 23536 bytes left
[ 1393.388279][T14986] ping (14986) used greatest stack depth: 22800 bytes left
[ 1401.703504][T15211] ip6_gre: GRE over IPv6 tunneling driver
[ 1411.982727][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1413.966695][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1415.822695][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1417.805708][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!