[  768.282512] gre: GRE over IPv4 demultiplexor driver
[  768.450091] ip_gre: GRE over IPv4 tunneling driver
[  777.490749] ip6_gre: GRE over IPv6 tunneling driver
[  783.226460] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  784.698457] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  786.042459] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  787.514432] ip6_tunnel: tep0 xmit: Local address not yet configured!