[ 1490.108894][ T3474] gre: GRE over IPv4 demultiplexer driver
[ 1490.626106][ T3501] ip_gre: GRE over IPv4 tunneling driver
[ 1507.250298][ T4079] ip6_gre: GRE over IPv6 tunneling driver
[ 1511.203185][ T3314] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1514.222602][ T4373] ping (4373) used greatest stack depth: 23200 bytes left
[ 1518.308045][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1520.419052][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1522.339043][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1524.451036][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!