[  491.246114] gre: GRE over IPv4 demultiplexer driver
[  491.249986] ip6_gre: GRE over IPv6 tunneling driver
[  491.253363] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.256110] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.422397] ip6_tunnel: g2 xmit: Local address not yet configured!
[  491.425136] ip6_tunnel: g2 xmit: Local address not yet configured!