[  501.504773] gre: GRE over IPv4 demultiplexer driver
[  501.509136] ip6_gre: GRE over IPv6 tunneling driver
[  501.514773] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.519327] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.690898] ip6_tunnel: g2 xmit: Local address not yet configured!
[  501.693893] ip6_tunnel: g2 xmit: Local address not yet configured!