Web console freezes and forever stops working on that LXC container ID if too much text is pasted in.

I pasted a huge amount of text into the web console (xterm.js) for LXC container ID 201 by mistake, a huge log's worth of data. This caused the web console to freeze up. Now, no matter what I do, I cannot access the web console for this container anymore. It connects properly, then sits on a black screen with the white box (as if I can type) on the top left. This box is not blinking:

• Rebooting the container and restarting the web console does not fix it.
• The web console for all...

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