# lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
loop1    7:1    0 104.6M  1 loop /snap/core/17210
sda      8:0    0    16G  0 disk 
├─sda1   8:1    0     1M  0 part 
└─sda2   8:2    0    16G  0 part /
sr0     11:0    1  1024M  0 rom  
# cat /etc/fstab 
UUID=6f5defa0-784a-11e8-90a7-005056ac79a7 / ext4 defaults 0 0
/swap.img    none    swap    sw    0    0
# df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            462M     0  462M   0% /dev
tmpfs            99M  1.7M   97M   2% /run
/dev/sda2        16G  8.5G  6.4G  58% /
tmpfs           493M     0  493M   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           493M     0  493M   0% /sys/fs/cgroup
tmpfs            99M   28K   99M   1% /run/user/120
tmpfs            99M   28K   99M   1% /run/user/1000
tmpfs            99M     0   99M   0% /run/user/0
/dev/loop1      105M  105M     0 100% /snap/core/17210

# virt-v2v -ic vpx://administrator%40vsphere.local@10.73.213.102/data/10.73.212.38/?no_verify=1 -it vddk -io vddk-libdir=/home/vddk7.0.3 -io  vddk-thumbprint=86:25:2F:5E:74:5C:43:D9:28:62:31:E0:1F:BB:1F:FD:AC:18:A5:93  -ip /home/passwd Auto-esx7.0-ubuntu18.04LTS-x86_64-bug168388
[   0.0] Setting up the source: -i libvirt -ic vpx://administrator%40vsphere.local@10.73.213.102/data/10.73.212.38/?no_verify=1 -it vddk Auto-esx7.0-ubuntu18.04LTS-x86_64-bug168388
[   1.9] Opening the source
[  17.2] Checking filesystem integrity before conversion
virt-v2v: error: libguestfs error: e2fsck: e2fsck 1.47.1 (20-May-2024)
Warning: skipping journal recovery because doing a read-only filesystem 
check.
Pass 1: Checking inodes, blocks, and sizes
Deleted inode 786440 has zero dtime.  Fix? no
Inodes that were part of a corrupted orphan linked list found.  Fix? no
Inode 921404 was part of the orphaned inode list.  IGNORED.
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences:  -296064 -(1133118--1133130)
Fix? no
Free blocks count wrong (2003043, counted=2000892).
Fix? no
Inode bitmap differences:  -786440 -921404
Fix? no
Free inodes count wrong (836696, counted=836693).
Fix? no

/dev/sda2: ********** WARNING: Filesystem still has errors **********
/dev/sda2: 211880/1048576 files (0.2% non-contiguous), 2190493/4193536 
blocks
If reporting bugs, run virt-v2v with debugging enabled and include the 
complete output:
  virt-v2v -v -x [...]
 

# rpm -q virt-v2v libguestfs guestfs-tools nbdkit libnbd
virt-v2v-2.7.1-12.el9.x86_64
libguestfs-1.54.0-8.el9.x86_64
guestfs-tools-1.52.2-5.el9.x86_64
nbdkit-1.38.5-10.el9.x86_64
libnbd-1.20.3-4.el9.x86_64

# virt-v2v -ic vpx://administrator%40vsphere.local@10.73.213.102/data/10.73.212.38/?no_verify=1 -it vddk -io vddk-libdir=/home/vddk7.0.3 -io  vddk-thumbprint=86:25:2F:5E:74:5C:43:D9:28:62:31:E0:1F:BB:1F:FD:AC:18:A5:93  -ip /home/passwd Auto-esx7.0-ubuntu18.04LTS-x86_64-bug168388
[   0.0] Setting up the source: -i libvirt -ic vpx://administrator%40vsphere.local@10.73.213.102/data/10.73.212.38/?no_verify=1 -it vddk Auto-esx7.0-ubuntu18.04LTS-x86_64-bug168388
[   1.8] Opening the source
[   7.9] Inspecting the source
[  10.9] Checking for sufficient free disk space in the guest
[  10.9] Converting Ubuntu 18.04.2 LTS (ubuntu18.04) to run on KVM
virt-v2v: warning: could not determine a way to update the configuration of 
Grub2
virt-v2v: The QEMU Guest Agent will be installed for this guest at first 
boot.
virt-v2v: This guest has virtio drivers installed.
[  67.5] Setting a random seed
[  67.6] SELinux relabelling
[  67.7] Mapping filesystem data to avoid copying unused and blank areas
[  69.0] Closing the overlay
[  69.3] Assigning disks to buses
[  69.3] Checking if the guest needs BIOS or UEFI to boot
[  69.3] Setting up the destination: -o libvirt
[  71.0] Copying disk 1/1
█ 100% [****************************************]
[ 338.8] Creating output metadata
[ 338.8] Finishing off