ego boot command creates a broken grub.cfg file makes system unbootable, my my /boot is on root partition.

This is the diff with broken and working grub.cfg

cian@tux ~/Desktop $ diff grub.cfg grub.broken.cfg
40,41c40,41
< linux /boot/kernel-genkernel-x86_64-4.18.12-lqx1 rootfstype=auto real_root=/dev/sda5 rand_id=XX0Q09YK i915.enable_rc6=0 nvidia-drm.modeset=1 intel_idle.max_cstate=0 i8042.noloop i8042.nomux i8042.nopnp i8042.reset
< initrd /boot/early_ucode.cpio /boot/initramfs-genkernel-x86_64-4.18.12-lqx1
—
> linux /kernel-genkernel-x86_64-4.18.12-lqx1 real_root=/dev/sda5 rootfstype=ext4 rand_id=XX0Q09YK
> initrd /early_ucode.cpio /initramfs-genkernel-x86_64-4.18.12-lqx1
50,51c50,51
< linux /boot/kernel-genkernel-x86_64-4.18.20-gentoo rootfstype=auto real_root=/dev/sda5 rand_id=YX3W7623 i915.enable_rc6=0 nvidia-drm.modeset=1 intel_idle.max_cstate=0 i8042.noloop i8042.nomux i8042.nopnp i8042.reset
< initrd /boot/early_ucode.cpio /boot/initramfs-genkernel-x86_64-4.18.20-gentoo
—
> linux /kernel-genkernel-x86_64-4.18.20-gentoo real_root=/dev/sda5 rootfstype=ext4 rand_id=YX3W7623
> initrd /early_ucode.cpio /initramfs-genkernel-x86_64-4.18.20-gentoo
55c55
< menuentry "Funtoo Linux ubuntu - kernel-debian-sources-x86_64-4.14.12-2" {
—
> menuentry "Funtoo Linux debian - kernel-debian-sources-x86_64-4.14.12-2" {
60,61c60,61
< linux /boot/kernel-debian-sources-x86_64-4.14.12-2 rootfstype=auto real_root=/dev/sda5 rand_id=AQDJK1MS i915.enable_rc6=0 nvidia-drm.modeset=1 intel_idle.max_cstate=0 i8042.noloop i8042.nomux i8042.nopnp i8042.reset
< initrd /boot/early_ucode.cpio /boot/initramfs-debian-sources-x86_64-4.14.12-2
—
> linux /kernel-debian-sources-x86_64-4.14.12-2 real_root=/dev/sda5 rootfstype=ext4 rand_id=AQDJK1MS
> initrd /early_ucode.cpio /initramfs-debian-sources-x86_64-4.14.12-2