Comment 3 for bug 1979197

more state information:

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91 Mount snap "pc" (127)
  2022-06-20T12:15:46Z ERROR cannot remodel to an incompatible gadget: incompatible layout change: incompatible structure #4 ("ubuntu-save") change: cannot change structure size from 16777216 to 33554432
maciek-borzecki@ubuntu:~$ ls /boot/grub/
grub.cfg grubenv kernel.efi pc-kernel_1032.snap try-kernel.efi
maciek-borzecki@ubuntu:~$ ls -l /boot/grub/
total 12
-rw-r--r-- 1 root root 1611 Jun 20 12:02 grub.cfg
-rw-r--r-- 1 root root 1024 Jun 20 12:15 grubenv
lrwxrwxrwx 1 root root 30 Jun 20 12:14 kernel.efi -> pc-kernel_1021.snap/kernel.efi
drwxr-xr-x 2 root root 4096 Jun 9 16:33 pc-kernel_1032.snap
lrwxrwxrwx 1 root root 30 Jun 20 12:15 try-kernel.efi -> pc-kernel_1032.snap/kernel.efi

maciek-borzecki@ubuntu:~$ cat /var/lib/snapd/modeenv
mode=run
current_recovery_systems=20220620
good_recovery_systems=20220620
base=core22_197.snap
try_base=core20_1518.snap
base_status=try
current_kernels=pc-kernel_1021.snap,pc-kernel_1032.snap
model=FpA2tgNE8bUrUKSOhE6SOpsMdlcEJkDL/my-model
grade=dangerous
model_sign_key_id=u2EnPKDpHm8Or1VWwjs3duNosoBpFS4Da-c6vRQHPKwdllDOlQ02_JFGrxZDe03C
current_kernel_command_lines=["snapd_recovery_mode=run console=ttyS0 console=tty1 panic=-1"]