[ 4298.638969][ T1462] gre: GRE over IPv4 demultiplexer driver
[ 4300.499170][ T1486] ip_gre: GRE over IPv4 tunneling driver
[ 4350.716184][ T2059] ip6_gre: GRE over IPv6 tunneling driver
[ 4371.942944][ T2309] ping (2309) used greatest stack depth: 23008 bytes left
[ 4384.953705][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4389.945636][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4394.104634][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4399.032643][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!