skipcpio skips over the first (noncompressed) ASCII cpio block and prints the rest.
/usr/lib/dracut/skipcpio ../initramfs-4.18.0-477.21.1.el8_8.x86_64.img | zcat | cpio -idmv
skipcpio skips over the first (noncompressed) ASCII cpio block and prints the rest.
/usr/lib/dracut/skipcpio ../initramfs-4.18.0-477.21.1.el8_8.x86_64.img | zcat | cpio -idmv