$ sudo apt install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-5.3.0-18 linux-headers-5.3.0-18-generic
  linux-image-5.3.0-18-generic linux-modules-5.3.0-18-generic
  linux-modules-extra-5.3.0-18-generic
Use 'sudo apt autoremove' to remove them.
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up initramfs-tools (0.135) ...
update-initramfs: deferring update (trigger activated)
Setting up linux-image-5.3.0-24-generic (5.3.0-24.26) ...
Processing triggers for initramfs-tools (0.135) ...
update-initramfs: Generating /boot/initrd.img-5.3.0-23-generic
E: busybox or busybox-static, version 1:1.22.0-17~ or later, is required but not
 installed
update-initramfs: failed for /boot/initrd.img-5.3.0-23-generic with 1.
dpkg: error processing package initramfs-tools (--configure):
 installed initramfs-tools package post-installation script subprocess returned
error exit status 1
Processing triggers for linux-image-5.3.0-24-generic (5.3.0-24.26) ...
/etc/kernel/postinst.d/dkms:
dkms: running auto installation service for kernel 5.3.0-24-generic:.
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.3.0-24-generic
E: busybox or busybox-static, version 1:1.22.0-17~ or later, is required but not
 installed
update-initramfs: failed for /boot/initrd.img-5.3.0-24-generic with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
dpkg: error processing package linux-image-5.3.0-24-generic (--configure):
 installed linux-image-5.3.0-24-generic package post-installation script subproc
ess returned error exit status 1
Errors were encountered while processing:
 initramfs-tools
 linux-image-5.3.0-24-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)