[  634.696153] gre: GRE over IPv4 demultiplexer driver
[  634.699366] ip6_gre: GRE over IPv6 tunneling driver
[  634.703729] ip6_tunnel: g1 xmit: Local address not yet configured!
[  634.707388] ip6_tunnel: g1 xmit: Local address not yet configured!
[  634.865681] ip6_tunnel: g2 xmit: Local address not yet configured!
[  634.868548] ip6_tunnel: g2 xmit: Local address not yet configured!