[  443.400124] gre: GRE over IPv4 demultiplexer driver
[  443.404746] ip6_gre: GRE over IPv6 tunneling driver
[  443.409462] ip6_tunnel: g1 xmit: Local address not yet configured!
[  443.412991] ip6_tunnel: g1 xmit: Local address not yet configured!
[  443.591094] ip6_tunnel: g2 xmit: Local address not yet configured!
[  443.594104] ip6_tunnel: g2 xmit: Local address not yet configured!