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- when a client requests a dhcp lease but does not provide a hostname, then the dhcp-script.sh does not provide a hostname. That results in using the HOSTNAME variable from the environment, containing the hostname of the resolver, finally resulting in an additional A-Record with another IP adress. The router then may become unreachable - Fix is, to read the configured hostname via uci and consider it as an invalid one. Fixed - Do not set hostname of the router to dhcp lease, which does not provide its own hostname. Closes: #871 Co-authored-by: Martin Matějek <martin.matejek@nic.cz>