Connection problem px4-gazebo-headless with off-board computer

I tried connect px4-gazebo-headless (https://github.com/JonasVautherin/px4-gazebo-headless) using its docker with mavsdk example program (takeoff_and_land) that located on remote computer,
when docker ip was 172.17.0.3/16, host computer ip was 10.1.0.9/8, remote computer ip =10.1.2.143/8
At first I used such command to connect docker with host computer:
docker run --rm -it jonasvautherin/px4-gazebo-headless:1.10.1
All worked fine.

Then I used next command to connect docker with remote computer:
docker run --rm -it jonasvautherin/px4-gazebo-headless:1.10.1 10.1.2.143
But in this case the message “No system found , exiting” fired!

So how can I decide this problem?? What I did wrong?