buildx failed with: ERROR: invalid tag "ghcr.io/test-kitchen/dokken/:nightly": invalid reference format

buildx failed with: ERROR: failed to solve: process "/bin/sh -c dnf -y install \tbinutils \tca-certificates \tcronie \tcurl \tdmidecode \te2fsprogs \tethtool \tfile \tglibc-langpack-en \tgnupg2 \thostname \tinitscripts \tiproute \tiptables \tiputils \tlsof \tnc \tnet-tools \tnmap \topenssl \tpasswd \tprocps \tstrace \tsudo \tsystemd-sysv \tsystemd-udev \tredhat-lsb-core \ttcpdump \ttelnet \tutil-linux \tvim-minimal \twget \twhich && \tdnf upgrade -y && \tdnf clean all && \trm -rf /var/log/* && \tfind /etc/systemd/system \t/lib/systemd/system \t-path '*.wants/*' \t\\( -name '*getty*' \t-or -name '*systemd-logind*' \t-or -name '*systemd-vconsole-setup*' \t-or -name '*systemd-readahead*' \t-or -name '*kdump*' \t-or -name '*dnf-makecache*' \t-or -name '*udev*' \\) \t-exec rm -v {} \\; && \tsystemctl set-default multi-user.target && \tsystemctl mask dev-hugepages.mount sys-fs-fuse-connections.mount network.service systemd-journal-flush.service" did not complete successfully: exit code: 1

buildx failed with: ERROR: failed to solve: process "/bin/sh -c apt-get update && \tapt-get -y install \tapt-transport-https \tapt-utils \tcurl \tdbus \tcron \tdirmngr \tdmidecode \tgnupg \tiproute2 \tiptables \tiputils-ping \tkmod \tless \tlinux-base \tlocales \tlsb-release \tlsof \tnet-tools \tnmap \tperl \tprocps \tsnapd \tstrace \tsudo \tsystemd \ttcpdump \ttelnet \ttzdata \tudev \tvim-tiny \twget && \tapt-get clean && \tapt-get -y autoremove && \trm -rf /tmp/* /var/tmp/* && \tfind /etc/systemd/system \t/lib/systemd/system \t-path '*.wants/*' \t\\( -name '*getty*' \t-or -name '*apt-daily*' \t-or -name '*systemd-timesyncd*' \t-or -name '*systemd-logind*' \t-or -name '*systemd-vconsole-setup*' \t-or -name '*systemd-readahead*' \t-or -name '*udev*' \\) \t-exec rm -v {} \\; && \tsystemctl set-default multi-user.target && \tsystemctl mask dev-hugepages.mount sys-fs-fuse-connections.mount network.service" did not complete successfully: exit code: 100

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