Ssh is not working

Please provide the following info (check/uncheck the boxes after creating this topic):
Software Version
[O] DRIVE OS Linux 5.2.6
DRIVE OS Linux 5.2.6 and DriveWorks 4.0
DRIVE OS Linux 5.2.0
DRIVE OS Linux 5.2.0 and DriveWorks 3.5
NVIDIA DRIVE™ Software 10.0 (Linux)
NVIDIA DRIVE™ Software 9.0 (Linux)
other DRIVE OS version

Target Operating System
[O] Linux

Hardware Platform
[O] NVIDIA DRIVE™ AGX Xavier DevKit (E3550)
NVIDIA DRIVE™ AGX Pegasus DevKit (E3550)

SDK Manager Version

Host Machine Version
[O] native Ubuntu 18.04

Im installing ssh in Drive agx Xavier but it is not working.
But I tried lots of restart but its not working.
So please check my error.

root@tegra-ubuntu:~# sudo systemctl start ssh
You are in emergency mode. After logging in, type “journalctl -xb” to view
system logs,Press Enter for maintenance
(or press Control-D to continue):

Dear @M750e,
Did you just flash DRIVE OS 5.2.6 and notice the issue?

Yes I flashed it 3 times because of that probelm.

Dear @M750e,
Did you follow Install DRIVE with SDK Manager :: DRIVE Platform Installation Guide with NVIDIA SDK Manager

Yeah, I followed the instructions but I’m facing with that issue.

Dear @M750e,
May I know if this issue need further support?