zerotier setup - unable to bind port 9993

[Flying-Ace]

hardware: udm pro

install ( reference boostchicken zerotier page ) step 1- ok step 2 - ok step 3 (create the container) - somewhat ok /issue.

container created, but exits upon running (<5sec) issue 1: (podman logs): /usr/sbin/zerotier-one: fatal error: cannot bind to local control interface port 9993 issue 2: (navigating to /usr/sbin/zerotier-one) doesnt exits a file/folder

any help? thanks.