[  591.475197] gre: GRE over IPv4 demultiplexer driver
[  591.479627] ip6_gre: GRE over IPv6 tunneling driver
[  591.493452] ip6_tunnel: g1 xmit: Local address not yet configured!
[  591.505495] ip6_tunnel: g1 xmit: Local address not yet configured!
[  592.059268] ip6_tunnel: g2 xmit: Local address not yet configured!
[  592.068636] ip6_tunnel: g2 xmit: Local address not yet configured!