note upgrade the follow pkg
shim-signed: 1.40.7+15.4-0ubuntu9 grub-common 2.04-1ubuntu26.13 grub2-common 2.04-1ubuntu26.13
from the proposed channel does not help.
note upgrade the follow pkg
shim-signed: 1.40.7+ 15.4-0ubuntu9
grub-common 2.04-1ubuntu26.13
grub2-common 2.04-1ubuntu26.13
from the proposed channel does not help.