VM crashes during Backup after Upgrade

proxmox-ve: 6.4-1 (running kernel: 5.4.119-1-pve)
pve-manager: 6.4-8 (running version: 6.4-8/185e14db)
pve-kernel-5.4: 6.4-3
pve-kernel-helper: 6.4-3
pve-kernel-5.4.119-1-pve: 5.4.119-1
pve-kernel-5.4.114-1-pve: 5.4.114-1
pve-kernel-5.4.106-1-pve: 5.4.106-1
ceph-fuse: 12.2.11+dfsg1-2.1+b1
corosync: 3.1.2-pve1
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: residual config
ifupdown2: 3.0.0-1+pve3
ksm-control-daemon: 1.3-1
libjs-extjs: 6.0.1-10...

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