invoke-rc.d: policy-rc.d denied execution of restart.Processing triggers for libc-bin (2.28-10) ...$ command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )$ eval $(ssh-agent -s)Agent pid 335$ echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -Error loading key "(stdin)": invalid formatCleaning up file based variablesERROR: Job failed: exit code 1