dhcrelay is sometimes not able to detect BOOTP replies, which in customer's environment is leaving some hosts without IP address. This issue can be solved by backporting the following 2 commits from upstream, include these 2 commits into our dhcp 4.4.1: [https://gitlab.isc.org/isc-projects/dhcp/-/commit/753d458b1f257cc2107454db158e14e92fcecb11] [https://gitlab.isc.org/isc-projects/dhcp/-/commit/0a2f9a62bceb90b0d30461add2e25c4ce7a24547]
