[  727.456244] gre: GRE over IPv4 demultiplexer driver
[  727.460511] ip6_gre: GRE over IPv6 tunneling driver
[  727.464310] ip6_tunnel: g1 xmit: Local address not yet configured!
[  727.467012] ip6_tunnel: g1 xmit: Local address not yet configured!
[  727.621859] ip6_tunnel: g2 xmit: Local address not yet configured!
[  727.624404] ip6_tunnel: g2 xmit: Local address not yet configured!