[  256.130372] gre: GRE over IPv4 demultiplexer driver
[  256.134705] ip6_gre: GRE over IPv6 tunneling driver
[  256.138378] ip6_tunnel: g1 xmit: Local address not yet configured!
[  256.141581] ip6_tunnel: g1 xmit: Local address not yet configured!
[  256.323960] ip6_tunnel: g2 xmit: Local address not yet configured!
[  256.327194] ip6_tunnel: g2 xmit: Local address not yet configured!