[  623.746487] gre: GRE over IPv4 demultiplexer driver
[  623.749740] ip6_gre: GRE over IPv6 tunneling driver
[  623.755691] ip6_tunnel: g1 xmit: Local address not yet configured!
[  623.758994] ip6_tunnel: g1 xmit: Local address not yet configured!
[  623.927117] ip6_tunnel: g2 xmit: Local address not yet configured!
[  623.931733] ip6_tunnel: g2 xmit: Local address not yet configured!