[  635.647891] gre: GRE over IPv4 demultiplexer driver
[  635.651972] ip6_gre: GRE over IPv6 tunneling driver
[  635.656244] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.660252] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.800703] ip6_tunnel: g2 xmit: Local address not yet configured!
[  635.803159] ip6_tunnel: g2 xmit: Local address not yet configured!