[  642.351014] gre: GRE over IPv4 demultiplexer driver
[  642.368682] ip6_gre: GRE over IPv6 tunneling driver
[  642.405028] ip6_tunnel: g1 xmit: Local address not yet configured!
[  642.434417] ip6_tunnel: g1 xmit: Local address not yet configured!
[  643.916222] ip6_tunnel: g2 xmit: Local address not yet configured!
[  643.947357] ip6_tunnel: g2 xmit: Local address not yet configured!