[  771.373884] gre: GRE over IPv4 demultiplexor driver
[  771.593020] ip_gre: GRE over IPv4 tunneling driver
[  781.752324] ip6_gre: GRE over IPv6 tunneling driver
[  787.769397] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  789.177393] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  790.521387] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  791.930375] ip6_tunnel: tep0 xmit: Local address not yet configured!