[  503.499657] gre: GRE over IPv4 demultiplexer driver
[  503.504839] ip6_gre: GRE over IPv6 tunneling driver
[  503.523903] ip6_tunnel: g1 xmit: Local address not yet configured!
[  503.537867] ip6_tunnel: g1 xmit: Local address not yet configured!
[  504.153950] ip6_tunnel: g2 xmit: Local address not yet configured!
[  504.164202] ip6_tunnel: g2 xmit: Local address not yet configured!