[  726.198049] gre: GRE over IPv4 demultiplexor driver
[  726.385572] ip_gre: GRE over IPv4 tunneling driver
[  735.760322] ip6_gre: GRE over IPv6 tunneling driver
[  736.579257] ip (4455) used greatest stack depth: 12152 bytes left
[  741.643770] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  743.115770] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  744.523766] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  745.995750] ip6_tunnel: tep0 xmit: Local address not yet configured!