[  688.467699] gre: GRE over IPv4 demultiplexer driver
[  688.472208] ip6_gre: GRE over IPv6 tunneling driver
[  688.492428] ip6_tunnel: g1 xmit: Local address not yet configured!
[  688.505274] ip6_tunnel: g1 xmit: Local address not yet configured!
[  689.063087] ip6_tunnel: g2 xmit: Local address not yet configured!
[  689.073449] ip6_tunnel: g2 xmit: Local address not yet configured!