[  598.046714] gre: GRE over IPv4 demultiplexer driver
[  598.051249] ip6_gre: GRE over IPv6 tunneling driver
[  598.066858] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.077638] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.687013] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.697033] ip6_tunnel: g2 xmit: Local address not yet configured!