- ifup,reload,status: return setup-in-progress code,
  fix exit code override when systemd in picture and
  disable pulling device status from addresses
- ifstatus: report slaves device as enslaved
- fixed to not reset master device name on success
- lower printout of debug messages (bnc#891036)
- nanny: correctly initialize timeout variable to
  busy wait instead to wasting cpu using poll with
  a 0 timeout (bnc#895970)