$ sudo make install
make: Warning: File '.vmlinux.cmd' has modification time 173850 s in the future
sh ./arch/arm64/boot/install.sh 5.15.0-rc2+ \
arch/arm64/boot/Image System.map "/boot"
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 5.15.0-rc2+ /boot/vmlinuz-5.15.0-rc2+
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 5.15.0-rc2+ /boot/vmlinuz-5.15.0-rc2+
update-initramfs: Generating /boot/initrd.img-5.15.0-rc2+
Warning: couldn't identify filesystem type for fsck hook, ignoring.
I: The initramfs will attempt to resume from /dev/zram3
I: (UUID=fd456e46-8363-4be6-a409-11176241359c)
I: Set the RESUME variable to override this.
/sbin/ldconfig.real: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf.d/aarch64-linux-gnu_EGL.conf: No such file or directory
/sbin/ldconfig.real: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf.d/aarch64-linux-gnu_GL.conf: No such file or directory
run-parts: executing /etc/kernel/postinst.d/update-notifier 5.15.0-rc2+ /boot/vmlinuz-5.15.0-rc2+
run-parts: executing /etc/kernel/postinst.d/xx-update-initrd-links 5.15.0-rc2+ /boot/vmlinuz-5.15.0-rc2+
I: /vmlinuz.old is now a symlink to boot/vmlinuz-5.15.0-rc2+
I: /initrd.img.old is now a symlink to boot/initrd.img-5.15.0-rc2+
I: /vmlinuz is now a symlink to boot/vmlinuz-5.15.0-rc2+
I: /initrd.img is now a symlink to boot/initrd.img-5.15.0-rc2+
make: warning:  Clock skew detected.  Your build may be incomplete.