[  505.312978] gre: GRE over IPv4 demultiplexer driver
[  505.318665] ip6_gre: GRE over IPv6 tunneling driver
[  505.323157] ip6_tunnel: g1 xmit: Local address not yet configured!
[  505.326061] ip6_tunnel: g1 xmit: Local address not yet configured!
[  505.497083] ip6_tunnel: g2 xmit: Local address not yet configured!
[  505.499904] ip6_tunnel: g2 xmit: Local address not yet configured!