[  651.064566] gre: GRE over IPv4 demultiplexer driver
[  651.067586] ip6_gre: GRE over IPv6 tunneling driver
[  651.070713] ip6_tunnel: g1 xmit: Local address not yet configured!
[  651.073817] ip6_tunnel: g1 xmit: Local address not yet configured!
[  651.215757] ip6_tunnel: g2 xmit: Local address not yet configured!
[  651.218144] ip6_tunnel: g2 xmit: Local address not yet configured!