[ 1448.457816][T18708] gre: GRE over IPv4 demultiplexer driver
[ 1449.127251][T18731] ip_gre: GRE over IPv4 tunneling driver
[ 1458.084118][T19083] ping (19083) used greatest stack depth: 23552 bytes left
[ 1467.218708][T19308] ip6_gre: GRE over IPv6 tunneling driver
[ 1473.734597][T19558] ping (19558) used greatest stack depth: 23208 bytes left
[ 1476.433058][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1479.257922][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1481.369907][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1483.416915][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1485.593907][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!