[  509.497413] gre: GRE over IPv4 demultiplexer driver
[  509.502376] ip6_gre: GRE over IPv6 tunneling driver
[  509.506356] ip6_tunnel: g1 xmit: Local address not yet configured!
[  509.509268] ip6_tunnel: g1 xmit: Local address not yet configured!
[  509.687298] ip6_tunnel: g2 xmit: Local address not yet configured!
[  509.690398] ip6_tunnel: g2 xmit: Local address not yet configured!