[  595.733506] gre: GRE over IPv4 demultiplexer driver
[  595.738562] ip6_gre: GRE over IPv6 tunneling driver
[  595.754653] ip6_tunnel: g1 xmit: Local address not yet configured!
[  595.765936] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.349453] ip6_tunnel: g2 xmit: Local address not yet configured!
[  596.359081] ip6_tunnel: g2 xmit: Local address not yet configured!