[  497.438408] gre: GRE over IPv4 demultiplexer driver
[  497.442711] ip6_gre: GRE over IPv6 tunneling driver
[  497.457136] ip6_tunnel: g1 xmit: Local address not yet configured!
[  497.469015] ip6_tunnel: g1 xmit: Local address not yet configured!
[  498.017138] ip6_tunnel: g2 xmit: Local address not yet configured!
[  498.026514] ip6_tunnel: g2 xmit: Local address not yet configured!