[  977.130081] gre: GRE over IPv4 demultiplexer driver
[  977.238128] ip_gre: GRE over IPv4 tunneling driver
[  985.086366] ip6_gre: GRE over IPv6 tunneling driver
[  989.922026] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  991.202032] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  992.482122] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  993.826028] ip6_tunnel: tep0 xmit: Local address not yet configured!