[  256.023076] gre: GRE over IPv4 demultiplexer driver
[  256.026559] ip6_gre: GRE over IPv6 tunneling driver
[  256.030780] ip6_tunnel: g1 xmit: Local address not yet configured!
[  256.034082] ip6_tunnel: g1 xmit: Local address not yet configured!
[  256.206252] ip6_tunnel: g2 xmit: Local address not yet configured!
[  256.209771] ip6_tunnel: g2 xmit: Local address not yet configured!