ubuntu@ubuntu:~$ sudo dmsetup ls --target multipath --exec "/sbin/kpartx -a -p -part"
device-mapper: reload ioctl on 0QEMU\x20\x20\x20\x20QEMU\x20HARDDISK\x20\x20\x20AAAAAAA-part1 failed: Invalid argument
create/reload failed on 0QEMU    QEMU HARDDISK   AAAAAAA-part1