[  501.704251] gre: GRE over IPv4 demultiplexer driver
[  501.708188] ip6_gre: GRE over IPv6 tunneling driver
[  501.720868] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.732666] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.305988] ip6_tunnel: g2 xmit: Local address not yet configured!
[  502.315575] ip6_tunnel: g2 xmit: Local address not yet configured!