Previously, when a DHCP address is renewed and if the IPv4ACD for the address is enabled, the address will never drop the probing flag, thus the lifetime of the address will never be updated. This drops NETWORK_CONFIG_STATE_PROBING, and the IPv4ACD status is managed another bit, Address.acd_bound. And, the flag is updated only when the IPv4ACD announced the address or detects conflict.
System and Service Manager
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