[  761.713128] gre: GRE over IPv4 demultiplexor driver
[  761.943656] ip_gre: GRE over IPv4 tunneling driver
[  771.982136] ip6_gre: GRE over IPv6 tunneling driver
[  778.679568] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  780.215586] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  781.623583] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  783.159563] ip6_tunnel: tep0 xmit: Local address not yet configured!