[  606.532087] gre: GRE over IPv4 demultiplexer driver
[  606.537384] ip6_gre: GRE over IPv6 tunneling driver
[  606.552866] ip6_tunnel: g1 xmit: Local address not yet configured!
[  606.569839] ip6_tunnel: g1 xmit: Local address not yet configured!
[  607.259877] ip6_tunnel: g2 xmit: Local address not yet configured!
[  607.271616] ip6_tunnel: g2 xmit: Local address not yet configured!