Generating grub configuration file ...
Found theme: /boot/grub2/themes/openSUSE/theme.txt
Found linux image: /boot/vmlinuz-5.5.13-1-default
Found initrd image: /boot/initrd-5.5.13-1-default
done
2020-04-02 00:29 ERROR: umount of proc failed!
umount: /.snapshots/45/snapshot/proc: target is busy.
                     USER        PID ACCESS COMMAND
/.snapshots/45/snapshot/proc:kernel
                     root      mount /proc
COMMAND     PID USER   FD   TYPE DEVICE SIZE/OFF       NODE NAME
systemd       1 root   10r   REG    0,5        0      12745 /proc/1/mountinfo
systemd       1 root   14r   REG    0,5        0 4026532071 /proc/swaps
systemd-j   487 root   10r   REG    0,5        0      12987
/proc/sys/kernel/hostname
lsof      27267 root    3r   DIR    0,5        0          1 /proc
lsof      27267 root    6r   DIR    0,5        0   11695155 /proc/27267/fd