[  501.112537] gre: GRE over IPv4 demultiplexer driver
[  501.117369] ip6_gre: GRE over IPv6 tunneling driver
[  501.131493] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.146302] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.747118] ip6_tunnel: g2 xmit: Local address not yet configured!
[  501.756993] ip6_tunnel: g2 xmit: Local address not yet configured!