[  503.019835] gre: GRE over IPv4 demultiplexer driver
[  503.023758] ip6_gre: GRE over IPv6 tunneling driver
[  503.027723] ip6_tunnel: g1 xmit: Local address not yet configured!
[  503.030842] ip6_tunnel: g1 xmit: Local address not yet configured!
[  503.204090] ip6_tunnel: g2 xmit: Local address not yet configured!
[  503.206920] ip6_tunnel: g2 xmit: Local address not yet configured!