from launcher script : x11docker
Cannot open display "default display"
DISPLAY=:101 XAUTHORITY=/home/debian/.cache/x11docker/pccastor_obzy7v_wallet-latest-51949810263/share/Xauthority.client XSOCKET=/tmp/.X11-unix/X101 XDG_RUNTIME_DIR=/run/user/1000
from launcher script : xpra now
Warning: using '/run/user/1000' as XDG_RUNTIME_DIR
Entering daemon mode; any further errors will be reported to:
  /run/user/1000/xpra/:101.log.new
Actual log file name is now: /run/user/1000/xpra/:101.log
x11docker/lxde: If the panel does not show an approbate menu
  and you encounter high CPU usage (seen with kata-runtime),
  please run with option --init=systemd.

** Message: 14:52:39.586: main.vala:101: Session is LXDE
** Message: 14:52:39.587: main.vala:102: DE is LXDE

(lxsession:191): Gtk-WARNING **: 14:52:39.588: cannot open display: :101