[dock] Add logging information to lable based discover

This will show information similar to the describe based
implementation.
5 jobs for 77_add_logging_to_label_based_discover in 29 minutes and 21 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Build
passed #185745
docker-build
build_linux_36

00:12:32

64.0%
passed #185730
docker-build
build_linux_37

00:13:28

64.0%
passed #185727
macosx
build_macosx_36

00:16:48

64.0%
passed #185728
macosx
build_macosx_37

00:16:43

64.0%
failed #185729
docker-build
build_linux_36

00:13:02

64.0%