[   27.819323] gre: GRE over IPv4 demultiplexer driver
[   27.823761] ip6_gre: GRE over IPv6 tunneling driver
[   27.841732] ip6_tunnel: g1 xmit: Local address not yet configured!
[   27.854465] ip6_tunnel: g1 xmit: Local address not yet configured!
[   28.461203] ip6_tunnel: g2 xmit: Local address not yet configured!
[   28.471761] ip6_tunnel: g2 xmit: Local address not yet configured!