[  635.554243] gre: GRE over IPv4 demultiplexer driver
[  635.559602] ip6_gre: GRE over IPv6 tunneling driver
[  635.576207] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.587869] ip6_tunnel: g1 xmit: Local address not yet configured!
[  636.193193] ip6_tunnel: g2 xmit: Local address not yet configured!
[  636.204644] ip6_tunnel: g2 xmit: Local address not yet configured!