[ovirt-users] ovirt-guest-agent.service has broken in Debian 8 virtual machines after updates hosts to 4.2

Hello, oVirt guru's I just successfully updated my oVirt HE to 4.2. But after I upgraded all hosts and virtual machine restart, the ovirt-guest-agent.service has stopped running in virtual machines with Debian Jessie. ---- # lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 8.10 (jessie) Release: 8.10 Codename: jessie ---- # dpkg -l | grep ovirt ii ovirt-guest-agent 1.0.10.2.dfsg-2+deb8u1 all daemon that resides within guest virtual machines Note: This package installed from Debian Jessie official repo ---- # systemctl status ovirt-guest-agent.service ● ovirt-guest-agent.service - oVirt Guest Agent Loaded: loaded (/lib/systemd/system/ovirt-guest-agent.service; disabled) Active: failed (Result: exit-code) since Tue 2018-01-02 17:36:29 MSK; 23min ago Main PID: 3419 (code=exited, status=1/FAILURE) Jan 02 17:36:29 APP3 systemd[1]: Started oVirt Guest Agent. Jan 02 17:36:29 APP3 systemd[1]: ovirt-guest-agent.service: main process exited, code=exited, status=1/FAILURE Jan 02 17:36:29 APP3 systemd[1]: Unit ovirt-guest-agent.service entered failed state. ---- MainThread::INFO::2018-01-02 17:36:29,764::ovirt-guest-agent::57::root::Starting oVirt guest agent MainThread::ERROR::2018-01-02 17:36:29,768::ovirt-guest-agent::138::root::Unhandled exception in oVirt guest agent! Traceback (most recent call last): File "/usr/share/ovirt-guest-agent/ovirt-guest-agent.py", line 132, in <module> agent.run(daemon, pidfile) File "/usr/share/ovirt-guest-agent/ovirt-guest-agent.py", line 63, in run self.agent = LinuxVdsAgent(config) File "/usr/share/ovirt-guest-agent/GuestAgentLinux2.py", line 375, in __init__ AgentLogicBase.__init__(self, config) File "/usr/share/ovirt-guest-agent/OVirtAgentLogic.py", line 171, in __init__ self.vio = VirtIoChannel(config.get("virtio", "device")) File "/usr/share/ovirt-guest-agent/VirtIoChannel.py", line 150, in __init__ self._stream = VirtIoStream(vport_name) File "/usr/share/ovirt-guest-agent/VirtIoChannel.py", line 131, in __init__ self._vport = os.open(vport_name, os.O_RDWR) OSError: [Errno 2] No such file or directory: '/dev/virtio-ports/com.redhat.rhevm.vdsm' ---- Before updating to version 4.2 (for version 4.1.8) everything worked fine. Please help solve the problem