Running with docker container only works when set to --net=host mode

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My docker run commands looks something like this (using 16.04):

sudo docker run -t -i -v /dev:/dev --privileged --net=host kwierman/movidius bash

I've tested with hello_ncs.py and it works fine. If I remove the --net=host however, I'll get "Error - Could not open NCS device" when running hello_ncs.py. Why is this the case? I've also tried to apply the fix described here https://ncsforum.movidius.com/discussion/394/ncs-access-in-a-docker-container-in-virtualbox-on-mac-osx , but it doesn't seem to have any effect

Here's a more complete error log

Device 0 Address: 2 - VID/PID 03e7:2150 1 Starting wait for connect with 2000ms timeout Found Address: 2 - VID/PID 03e7:2150 Found EP 0x81 : max packet size is 512 bytes Found EP 0x01 : max packet size is 512 bytes Found and opened device Performing bulk write of 865724 bytes... Successfully sent 865724 bytes of data in 98.785142 ms (8.357722 MB/s) Boot successful, device address 2 Traceback (most recent call last): File "streamer_ncs.py", line 39, in <module> devHandle[devnum].OpenDevice() File "/usr/local/lib/python3.5/dist-packages/mvnc/mvncapi.py", line 147, in OpenDevice raise Exception(Status(status)) Exception: mvncStatus.ERROR

[idata]

@bobthesheep Maybe this will help: https://ncsforum.movidius.com/discussion/comment/731/#Comment_731.

[idata]

Hi, thanks for the reply. I've already seen the thread you linked to. My question was more regarding why does it only work when we run the container in --net=host. What changed exactly? I've also had problem with line 609 of the installation script and have to run the 2 udev commands manually after. I currently have a project where I'm using multiple docker containers using a private network and won't work with --net=host.