Description of problem: usb-filter option is listed two times with different values when generated from VM portal. One of which states "usb-filter=null". Version-Release number of selected component (if applicable): rhv4.3.2-0.1.el7 ovirt-engine-backend-4.3.2-0.1.el7.noarch ovirt-engine-4.3.2-0.1.el7.noarch ovirt-vmconsole-1.0.7-1.el7ev.noarch ovirt-web-ui-1.5.1-1.el7ev.noarch How reproducible: always Steps to Reproduce: 1.login to VM portal 2.start any VM 3.generate vv-file by clicking to "Console" button Actual results: usb-filter is listed two time in vv-file [virt-viewer] block. One of which is usb-filter=null: [virt-viewer] usb-filter=-1,60186,10000,256,1|-1,1118,245,-1,1|-1,1133,2245,-1,1|-1,1133,2242,5,1|8,-1,-1,-1,1|7,-1,-1,-1,1|-1,-1,-1,-1,0 type=spice host=10.37.175.137 port=5911 password=XeYFWg6xD92I # Password is valid for 120 seconds. delete-this-file=1 fullscreen=0 title=win10:%d toggle-fullscreen=shift+f11 release-cursor=shift+f12 secure-attention=ctrl+alt+del tls-port=5912 enable-smartcard=0 enable-usb-autoshare=0 usb-filter=null tls-ciphers=DEFAULT host-subject=O=spice.brq.redhat.com,CN=spice-dl320-02.spice.lab.eng.brq.redhat.com ca=-----BEGIN CERTIFICATE-----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\nnNzMXzwTcbebsKXSHLUGtISMb3AiJjKr+ssaZrhGLTEme49D1p8vp7cBv4M=\n-----END CERTIFICATE-----\n proxy=proxy.spice.brq.redhat.com secure-channels=main;inputs;cursor;playback;record;display;smartcard;usbredir versions=rhev-win64:2.0-160;rhev-win32:2.0-160;rhel7:2.0-6;rhel6:99.0-1 newer-version-url=https://rhv43.spice.brq.redhat.com:443/rhv/client-resources Expected results: usb-filter option is specified once, no "null" value. Additional info:
*** This bug has been marked as a duplicate of bug 1811466 ***