[  172.377903] gre: GRE over IPv4 demultiplexer driver
[  172.382479] ip6_gre: GRE over IPv6 tunneling driver
[  172.395963] ip6_tunnel: g1 xmit: Local address not yet configured!
[  172.405825] ip6_tunnel: g1 xmit: Local address not yet configured!
[  172.952368] ip6_tunnel: g2 xmit: Local address not yet configured!
[  172.961044] ip6_tunnel: g2 xmit: Local address not yet configured!