[  835.663207] gre: GRE over IPv4 demultiplexer driver
[  835.668710] ip6_gre: GRE over IPv6 tunneling driver
[  835.686216] ip6_tunnel: g1 xmit: Local address not yet configured!
[  835.699444] ip6_tunnel: g1 xmit: Local address not yet configured!
[  836.355544] ip6_tunnel: g2 xmit: Local address not yet configured!
[  836.367240] ip6_tunnel: g2 xmit: Local address not yet configured!