[ 1490.478579][T27071] gre: GRE over IPv4 demultiplexer driver
[ 1490.998166][T27094] ip_gre: GRE over IPv4 tunneling driver
[ 1496.469814][T27346] ping (27346) used greatest stack depth: 23344 bytes left
[ 1506.832877][T27672] ip6_gre: GRE over IPv6 tunneling driver
[ 1514.433896][T28016] ping (28016) used greatest stack depth: 23168 bytes left
[ 1517.312100][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1519.297068][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1521.152069][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1523.136074][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!