[ 1608.616776][T19114] gre: GRE over IPv4 demultiplexer driver
[ 1609.058833][T19137] ip_gre: GRE over IPv4 tunneling driver
[ 1616.273827][T19483] ping (19483) used greatest stack depth: 23536 bytes left
[ 1624.389422][T19708] ip6_gre: GRE over IPv6 tunneling driver
[ 1625.982717][T13768] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1634.366643][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1636.285653][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1638.078642][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1640.061652][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!