This may or may not be a known issue. Please upgrade to 10.0.10c for now and see if that resolves your issue. There is also a 10.0.10c_cd1 being released in a few days. Once that is available, please move to it. Please let us know how it looks after the code upgrade.
Ben Beck, RCNA, RCNI, Principal Technical Support Engineer support.ruckuswireless.com/contact-us