[  727.632074] gre: GRE over IPv4 demultiplexor driver
[  727.830902] ip_gre: GRE over IPv4 tunneling driver
[  737.569620] ip6_gre: GRE over IPv6 tunneling driver
[  744.060687] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.532709] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  746.940718] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  748.477675] ip6_tunnel: tep0 xmit: Local address not yet configured!