I have the same problem but the command "udevadm trigger " doesn't work.
I have two LVM-Thin: "local-lvm" and "my-add-lvm".The problem disaper when cloning vm from local-lvm to local-lvm and creating new vm on my-add-lvm.Just I clone vm from my-add-lvm to my-add-lvm, and clone vm from local-lvm...