[  598.438913] gre: GRE over IPv4 demultiplexer driver
[  598.442758] ip6_gre: GRE over IPv6 tunneling driver
[  598.456186] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.467149] ip6_tunnel: g1 xmit: Local address not yet configured!
[  599.067575] ip6_tunnel: g2 xmit: Local address not yet configured!
[  599.077721] ip6_tunnel: g2 xmit: Local address not yet configured!