[  437.927268] gre: GRE over IPv4 demultiplexer driver
[  437.930574] ip6_gre: GRE over IPv6 tunneling driver
[  437.936909] ip6_tunnel: g1 xmit: Local address not yet configured!
[  437.940616] ip6_tunnel: g1 xmit: Local address not yet configured!
[  438.149643] ip6_tunnel: g2 xmit: Local address not yet configured!
[  438.153393] ip6_tunnel: g2 xmit: Local address not yet configured!