[  787.192301] gre: GRE over IPv4 demultiplexer driver
[  787.347766] ip_gre: GRE over IPv4 tunneling driver
[  796.214503] ip6_gre: GRE over IPv6 tunneling driver
[  801.913772] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  803.322756] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  804.665757] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  806.073746] ip6_tunnel: tep0 xmit: Local address not yet configured!