[  407.029520] gre: GRE over IPv4 demultiplexer driver
[  407.035006] ip6_gre: GRE over IPv6 tunneling driver
[  407.038916] ip6_tunnel: g1 xmit: Local address not yet configured!
[  407.042460] ip6_tunnel: g1 xmit: Local address not yet configured!
[  407.197909] ip6_tunnel: g2 xmit: Local address not yet configured!
[  407.200413] ip6_tunnel: g2 xmit: Local address not yet configured!