[  233.017534] gre: GRE over IPv4 demultiplexer driver
[  233.021042] ip6_gre: GRE over IPv6 tunneling driver
[  233.024701] ip6_tunnel: g1 xmit: Local address not yet configured!
[  233.027310] ip6_tunnel: g1 xmit: Local address not yet configured!
[  233.175824] ip6_tunnel: g2 xmit: Local address not yet configured!
[  233.178327] ip6_tunnel: g2 xmit: Local address not yet configured!