[  527.221643] gre: GRE over IPv4 demultiplexer driver
[  527.224487] ip6_gre: GRE over IPv6 tunneling driver
[  527.230444] ip6_tunnel: g1 xmit: Local address not yet configured!
[  527.234346] ip6_tunnel: g1 xmit: Local address not yet configured!
[  527.451206] ip6_tunnel: g2 xmit: Local address not yet configured!
[  527.454909] ip6_tunnel: g2 xmit: Local address not yet configured!