(In reply to Klaus Mueller from comment #8) > <qemu:commandline> > <qemu:arg value='-sandbox'/> > <qemu:arg > value='on,obsolete=deny,elevateprivileges=deny,spawn=deny, > resourcecontrol=allow'/> > </qemu:commandline> > > doesn't take any effect because the automatically generated -sandbox option > is putted after the one generated manually. This should be vice versa! Is the '-sandbox' option added even when 'seccomp_sandbox = 0' in /etc/libvirt/qemu.conf?