Slow application start on multi-screen system with EGLFS platform

Starting simple QWindow application takes ~3 seconds

>export

export EDITOR="vi"
export HOME="/home/root"
export LOGNAME="root"
export MAIL="/var/mail/root"
export OLDPWD="/home/root"
export OPIEDIR
export PATH="/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
export PS1="\\u@\\h:\\w\\\$ "
export PWD="/opt/neptune3"
export QPEDIR
export QTDIR
export QT_LOGGING_RULES="qt.qpa.*=true"
export QT_QPA_EGLFS_KMS_CONFIG="/opt/neptune3/qsr.json"
export SHELL="/bin/sh"
export SHLVL="1"
export SIMULATOR_HOSTNAME="192.168.56.1"
export SSH_CLIENT="192.168.3.236 50200 22"
export SSH_CONNECTION="192.168.3.236 50200 192.168.3.138 22"
export SSH_TTY="/dev/pts/0"
export TERM="xterm"