[ 1680.241552][ T1700] gre: GRE over IPv4 demultiplexer driver
[ 1680.735709][ T1723] ip_gre: GRE over IPv4 tunneling driver
[ 1697.328045][ T2294] ip6_gre: GRE over IPv6 tunneling driver
[ 1705.396697][ T2639] ping (2639) used greatest stack depth: 22864 bytes left
[ 1708.315559][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1710.364518][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1712.284517][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1714.395529][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!