[  737.387080] gre: GRE over IPv4 demultiplexer driver
[  737.390283] ip6_gre: GRE over IPv6 tunneling driver
[  737.394354] ip6_tunnel: g1 xmit: Local address not yet configured!
[  737.397604] ip6_tunnel: g1 xmit: Local address not yet configured!
[  737.560613] ip6_tunnel: g2 xmit: Local address not yet configured!
[  737.563269] ip6_tunnel: g2 xmit: Local address not yet configured!