[  592.846192] gre: GRE over IPv4 demultiplexer driver
[  592.852413] ip6_gre: GRE over IPv6 tunneling driver
[  592.870179] ip6_tunnel: g1 xmit: Local address not yet configured!
[  592.885340] ip6_tunnel: g1 xmit: Local address not yet configured!
[  593.524833] ip6_tunnel: g2 xmit: Local address not yet configured!
[  593.536615] ip6_tunnel: g2 xmit: Local address not yet configured!