[  575.532574] gre: GRE over IPv4 demultiplexer driver
[  575.536073] ip6_gre: GRE over IPv6 tunneling driver
[  575.541441] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.545147] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.742757] ip6_tunnel: g2 xmit: Local address not yet configured!
[  575.746254] ip6_tunnel: g2 xmit: Local address not yet configured!