Overcautious?.. 
--kver is only supposed for non-running kernels.
To generate an initramfs for the running kernel:
# dracut --hostonly --no-hostonly-cmdline /boot/initramfs-linux.img
This is how I learn! 
Overcautious?..
--kver is only supposed for non-running kernels.
To generate an initramfs for the running kernel:
# dracut --hostonly --no-hostonly-cmdline /boot/initramfs-linux.img
This is how I learn!