[  306.506674] gre: GRE over IPv4 demultiplexer driver
[  306.509996] ip6_gre: GRE over IPv6 tunneling driver
[  306.517042] ip6_tunnel: g1 xmit: Local address not yet configured!
[  306.520329] ip6_tunnel: g1 xmit: Local address not yet configured!
[  306.697025] ip6_tunnel: g2 xmit: Local address not yet configured!
[  306.700018] ip6_tunnel: g2 xmit: Local address not yet configured!