Is Jetson nano able to run 4 web cams at same time

Im trying to run 4 web cams at the same time. The nano sees them but im only able to run 2 at a time.
It dosent matter which 2. But only 2

nano@nano-desktop:~$ v4l2-ctl --list-devices
UVC Camera (046d:0821) (usb-70090000.xusb-2.4.1):
	/dev/video0

UVC Camera (046d:0821) (usb-70090000.xusb-2.4.2):
	/dev/video1

UVC Camera (046d:0821) (usb-70090000.xusb-2.4.3):
	/dev/video2

UVC Camera (046d:0821) (usb-70090000.xusb-2.4.4):
	/dev/video3

What’s your command to run them at a time?
Try “sudo jetson_clocks” before run the command.