[  635.647360] gre: GRE over IPv4 demultiplexer driver
[  635.650616] ip6_gre: GRE over IPv6 tunneling driver
[  635.654033] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.657163] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.801704] ip6_tunnel: g2 xmit: Local address not yet configured!
[  635.804323] ip6_tunnel: g2 xmit: Local address not yet configured!