[ 1667.189130][ T1798] gre: GRE over IPv4 demultiplexer driver
[ 1667.697520][ T1821] ip_gre: GRE over IPv4 tunneling driver
[ 1684.441303][ T2393] ip6_gre: GRE over IPv6 tunneling driver
[ 1690.526254][ T2647] ping (2647) used greatest stack depth: 22976 bytes left
[ 1695.651967][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1697.763930][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1699.684927][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1701.796935][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!