[  628.488154] gre: GRE over IPv4 demultiplexer driver
[  628.493594] ip6_gre: GRE over IPv6 tunneling driver
[  628.510063] ip6_tunnel: g1 xmit: Local address not yet configured!
[  628.522968] ip6_tunnel: g1 xmit: Local address not yet configured!
[  629.112086] ip6_tunnel: g2 xmit: Local address not yet configured!
[  629.122718] ip6_tunnel: g2 xmit: Local address not yet configured!