[  502.355405] gre: GRE over IPv4 demultiplexer driver
[  502.359439] ip6_gre: GRE over IPv6 tunneling driver
[  502.363608] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.367288] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.535852] ip6_tunnel: g2 xmit: Local address not yet configured!
[  502.538609] ip6_tunnel: g2 xmit: Local address not yet configured!