[  633.778683] gre: GRE over IPv4 demultiplexer driver
[  633.783020] ip6_gre: GRE over IPv6 tunneling driver
[  633.800052] ip6_tunnel: g1 xmit: Local address not yet configured!
[  633.812417] ip6_tunnel: g1 xmit: Local address not yet configured!
[  634.406629] ip6_tunnel: g2 xmit: Local address not yet configured!
[  634.416751] ip6_tunnel: g2 xmit: Local address not yet configured!