I am able to power on vms on newly upgraded host, But not able to migrate VMs from other hosts to new host or newly upgraded hosts to other hosts. This was worked fine before upgraded.

i see below logs

Unable to read from monitor: Connection reset by peer
internal error: qemu unexpectedly closed the monitor: 2022-01-24T17:51:46.598571Z qemu-kvm: get_pci_config_device: Bad config >
2022-01-24T17:51:46.598627Z qemu-kvm: Failed to load PCIDevice:config
2022-01-24T17:51:46.598635Z qemu-kvm: Failed to load pcie-root-port:parent_obj.parent_obj.parent_obj
2022-01-24T17:51:46.598642Z qemu-kvm: error while loading state for instance 0x0 of device '0000:00:02.0/pcie-root-port'
2022-01-24T17:51:46.598830Z qemu-kvm: load of migration failed: Invalid argument
Guest agent is not responding: QEMU guest agent is not connected
Guest agent is not responding: QEMU guest agent is not connected
Guest agent is not responding: QEMU guest agent is not connected

OS Version:
RHEL - 8.6 - 1.el8
OS Description:
CentOS Stream 8
Kernel Version:
4.18.0 - 358.el8.x86_64
KVM Version:
6.1.0 - 5.module_el8.6.0+1040+0ae94936
LIBVIRT Version:
libvirt-7.10.0-1.module_el8.6.0+1046+bd8eec5e
VDSM Version:
vdsm-4.40.100.2-1.el8
SPICE Version:
0.14.3 - 4.el8
GlusterFS Version:
[N/A]
CEPH Version:
librbd1-16.2.7-1.el8s
Open vSwitch Version:
openvswitch-2.11-1.el8
Nmstate Version:
nmstate-1.2.1-0.1.alpha1.el8

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