[  606.522876] gre: GRE over IPv4 demultiplexer driver
[  606.527786] ip6_gre: GRE over IPv6 tunneling driver
[  606.544285] ip6_tunnel: g1 xmit: Local address not yet configured!
[  606.559093] ip6_tunnel: g1 xmit: Local address not yet configured!
[  607.295863] ip6_tunnel: g2 xmit: Local address not yet configured!
[  607.309463] ip6_tunnel: g2 xmit: Local address not yet configured!