[  491.243058] gre: GRE over IPv4 demultiplexer driver
[  491.247102] ip6_gre: GRE over IPv6 tunneling driver
[  491.251005] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.253596] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.420726] ip6_tunnel: g2 xmit: Local address not yet configured!
[  491.424379] ip6_tunnel: g2 xmit: Local address not yet configured!