Starting Docker: docker.
+ sudo cp files/image_config/apt/sources.list ./fsroot/etc/apt/
+ sudo cp -R files/image_config/apt/sources.list.d/ ./fsroot/etc/apt/
+ cat files/image_config/apt/sonic-dev.gpg.key
+ sudo LANG=C chroot ./fsroot apt-key add -
OK
+ sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot ./fsroot apt-get update
Ign http://debian-archive.trafficmanager.net jessie InRelease
Get:1 http://packages.microsoft.com jessie InRelease [2826 B]
Hit http://debian-archive.trafficmanager.net jessie Release.gpg
Hit http://debian-archive.trafficmanager.net jessie Release
Get:2 http://packages.microsoft.com jessie/main amd64 Packages [12.2 kB]
Get:3 http://debian-archive.trafficmanager.net jessie/main amd64 Packages [9065 kB]
Get:4 http://debian-archive.trafficmanager.net jessie/contrib amd64 Packages [59.5 kB]
Get:5 http://debian-archive.trafficmanager.net jessie/non-free amd64 Packages [101 kB]
Fetched 9241 kB in 3s (2498 kB/s)
Reading package lists...
+ sudo cp files/image_config/environment/environment ./fsroot/etc/
+ sudo cp files/image_config/environment/motd ./fsroot/etc/
+ sudo mkdir -p ./fsroot/etc/sonic/
+ sudo mkdir -p ./fsroot/usr/share/sonic/templates/
+ sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot ./fsroot apt-get -y install python-dev python-lxml python-yaml python-bitarray
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 python-dev : Depends: libpython-dev (= 2.7.9-1) but it is not going to be installed
              Depends: python2.7-dev (>= 2.7.9-1~) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
+ clean_sys
+ sudo umount ./fsroot/sys/fs/cgroup/blkio ./fsroot/sys/fs/cgroup/cpuset ./fsroot/sys/fs/cgroup/devices ./fsroot/sys/fs/cgroup/freezer ./fsroot/sys/fs/cgroup/perf_event ./fsroot/sys/fs/cgroup ./fsroot/sys
+ true
+ rm -f /tmp/tmp.FPJ39oiCNn
+ sudo umount ./fsroot/proc
umount: /sonic/fsroot/proc: target is busy
        (In some cases useful info about processes that
         use the device is found by lsof(8) or fuser(1).)
+ true
+ true
slave.mk:333: recipe for target 'target/sonic-broadcom.bin' failed
make: Leaving directory '/sonic'
make: *** [target/sonic-broadcom.bin] Error 1
Makefile:47: recipe for target 'target/sonic-broadcom.bin' failed
make: *** [target/sonic-broadcom.bin] Error 2