[  502.255394] gre: GRE over IPv4 demultiplexer driver
[  502.260080] ip6_gre: GRE over IPv6 tunneling driver
[  502.266202] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.271669] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.451388] ip6_tunnel: g2 xmit: Local address not yet configured!
[  502.454367] ip6_tunnel: g2 xmit: Local address not yet configured!