[  601.823400] gre: GRE over IPv4 demultiplexer driver
[  601.829136] ip6_gre: GRE over IPv6 tunneling driver
[  601.849476] ip6_tunnel: g1 xmit: Local address not yet configured!
[  601.867221] ip6_tunnel: g1 xmit: Local address not yet configured!
[  602.544202] ip6_tunnel: g2 xmit: Local address not yet configured!
[  602.553552] ip6_tunnel: g2 xmit: Local address not yet configured!