[  664.193190] gre: GRE over IPv4 demultiplexer driver
[  664.196141] ip6_gre: GRE over IPv6 tunneling driver
[  664.200426] ip6_tunnel: g1 xmit: Local address not yet configured!
[  664.203191] ip6_tunnel: g1 xmit: Local address not yet configured!
[  664.362012] ip6_tunnel: g2 xmit: Local address not yet configured!
[  664.364907] ip6_tunnel: g2 xmit: Local address not yet configured!