[  575.613011] gre: GRE over IPv4 demultiplexer driver
[  575.618391] ip6_gre: GRE over IPv6 tunneling driver
[  575.623989] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.628180] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.831116] ip6_tunnel: g2 xmit: Local address not yet configured!
[  575.834742] ip6_tunnel: g2 xmit: Local address not yet configured!