Changing of MAC Address with Network Manager on Debian 10

Looking at syslog files on Debian 10 form a previous session I have noticed a MAC Address change and I do not know why it is happening. Any ideas on how to stop this? Jun 8 15:43:46 NetworkManager: [1591623826.4785] manager: NetworkManager state is now CONNECTED_LOCAL Jun 8 15:43:46 NetworkManager: [1591623826.4790] device (wlp8s0): state change: unavailable -> unmanaged (reason 'sleeping', sys-iface-state: 'managed') Jun 8 15:43:46 dbus-daemon: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.11' (uid=0 pid=729 comm="/usr/sbin/NetworkManager --no-daemon ") Jun 8 15:43:46 NetworkManager: [1591623826.4793] device (wlp8s0): set-hw-addr: **reset MAC address to 68:5D:43:61:77:45** (unmanage) Jun 8 15:43:46 NetworkManager: [1591623826.4799] device (enp7s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'managed') Jun 8 15:43:46 kernel: [15194.894941] IPv6: ADDRCONF(NETDEV_UP): enp7s0: link is not ready Jun 8 15:43:46 kernel: [15194.895237] RTL8211E Gigabit Ethernet r8169-700:00: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=r8169-700:00, irq=IGNORE) Jun 8 15:43:46 systemd: Starting Network Manager Script Dispatcher Service... Jun 8 15:43:46 dbus-daemon: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Jun 8 15:43:46 systemd: Started Network Manager Script Dispatcher Service. Jun 8 15:43:46 nm-dispatcher: req:1 'down' [enp7s0]: new request (1 scripts) Jun 8 15:43:46 nm-dispatcher: req:1 'down' [enp7s0]: start running ordered scripts... Jun 8 15:43:46 nm-dispatcher: req:2 'connectivity-change': new request (1 scripts) Jun 8 15:43:46 NetworkManager: [1591623826.6955] device (wlp8s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'managed') Jun 8 15:43:46 kernel: [15195.108815] IPv6: ADDRCONF(NETDEV_UP): enp7s0: link is not ready Jun 8 15:43:46 kernel: [15195.110559] IPv6: ADDRCONF(NETDEV_UP): wlp8s0: link is not ready Jun 8 15:43:46 NetworkManager: [1591623826.6963] device (wlp8s0): set-hw-addr: set MAC address to **DE:5B:91:11:04:52** (scanning) Jun 8 15:43:46 nm-dispatcher: req:2 'connectivity-change': start running ordered scripts...