my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p')
k_args=$(fai-chboot -L '^default$' | \
sed -r "s/^(\S+\s+){3}(.*root=)(.*)/\2$my_ip:\3/")
my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p')
k_args=$(fai-chboot -L '^default$' | \
sed -r "s/^(\S+\s+){3}(.*root=)(.*)/\2$my_ip:\3/")