[  439.534186] gre: GRE over IPv4 demultiplexer driver
[  439.538137] ip6_gre: GRE over IPv6 tunneling driver
[  439.543922] ip6_tunnel: g1 xmit: Local address not yet configured!
[  439.547175] ip6_tunnel: g1 xmit: Local address not yet configured!
[  439.723163] ip6_tunnel: g2 xmit: Local address not yet configured!
[  439.726463] ip6_tunnel: g2 xmit: Local address not yet configured!