[  518.546208] gre: GRE over IPv4 demultiplexer driver
[  518.549438] ip6_gre: GRE over IPv6 tunneling driver
[  518.552593] ip6_tunnel: g1 xmit: Local address not yet configured!
[  518.555349] ip6_tunnel: g1 xmit: Local address not yet configured!
[  518.711120] ip6_tunnel: g2 xmit: Local address not yet configured!
[  518.713610] ip6_tunnel: g2 xmit: Local address not yet configured!