[ 1558.570899][ T1672] gre: GRE over IPv4 demultiplexer driver
[ 1559.009645][ T1695] ip_gre: GRE over IPv4 tunneling driver
[ 1574.527072][ T2266] ip6_gre: GRE over IPv6 tunneling driver
[ 1579.908208][ T2515] ping (2515) used greatest stack depth: 23344 bytes left
[ 1584.720095][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1586.704054][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1588.496063][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1590.480062][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!