vbutil_kernel
Chrome OS verified boot utils required to sign kernels
RUN apt-get update && \
apt-get install -y vboot-kernel-utils
RUN apt-get update && \
apt-get install -y vboot-kernel-utils
RUN apt-get update && \
apt-get install -y vboot-kernel-utils
RUN dnf install -y vboot-utils
RUN apt-get update && \
apt-get install -y vboot-kernel-utils