Operating System: Arch Linux
KDE Plasma Version: 5.21.3
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.6-arch1-1
OS Type: 64-bit
Graphics Platform: X11
Processors: 4 × Intel® Core™ i3-10110U CPU @ 2.10GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics

systemctl status NetworkManager

Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; disabled; vendor preset: disabled)
Drop-In: /usr/lib/systemd/system/NetworkManager.service.d
└─NetworkManager-ovs.conf
Active: active (running) since Wed 2021-03-17 17:42:01 GMT; 6s ago
Docs: man:NetworkManager(8)
Main PID: 1176 (NetworkManager)
Tasks: 4 (limit: 18823)
Memory: 9.4M
CGroup: /system.slice/NetworkManager.service
└─1176 /usr/bin/NetworkManager --no-daemon

Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.5660] device (enp1s0f1): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.5680] device (wlan0): driver supports Access Point (AP) mode
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.5686] manager: (wlan0): new 802.11 Wi-Fi device (/org/freedesktop/NetworkManager/Devices/3)
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.5695] device (wlan0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.5953] device (wlan0): set-hw-addr: set MAC address to 5A:BF:37:DB:63:06 (scanning)
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.9025] agent-manager: agent[bef9513456da21d5,:1.13/org.kde.plasma.networkmanagement/1000]: agent registered
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.9031] ovsdb: Could not connect: No such file or directory
Mar 17 17:42:01 y-garn NetworkManager[1176]: <info> [1616002921.9032] ovsdb: disconnected from ovsdb
Mar 17 17:42:01 y-garn NetworkManager[1176]: <error> [1616002921.9774] device (wlan0): Couldn't initialize supplicant interface: GDBus.Error:fi.w1.wpa_supplicant1.UnknownError: wpa_supplicant couldn't grab this interface.
Mar 17 17:42:07 y-garn NetworkManager[1176]: <info> [1616002927.5675] manager: startup complete

systemctl start NetworkManager

systemctl status NetworkManager

● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; disabled; vendor preset: disabled)
Drop-In: /usr/lib/systemd/system/NetworkManager.service.d
└─NetworkManager-ovs.conf
Active: active (running) since Wed 2021-03-17 17:42:01 GMT; 19min ago
Docs: man:NetworkManager(8)
Main PID: 1176 (NetworkManager)
Tasks: 3 (limit: 18823)
Memory: 9.4M
CGroup: /system.slice/NetworkManager.service
└─1176 /usr/bin/NetworkManager --no-daemon

Mar 17 17:42:12 y-garn NetworkManager[1176]: <error> [1616002932.5535] device (wlan0): Couldn't initialize supplicant interface: GDBus.Error:fi.w1.wpa_supplicant1.UnknownError: wpa_supplicant couldn't grab this interface.
Mar 17 17:42:22 y-garn NetworkManager[1176]: <warn> [1616002942.4578] device (wlan0): re-acquiring supplicant interface (#2).
Mar 17 17:42:22 y-garn NetworkManager[1176]: <error> [1616002942.5462] device (wlan0): Couldn't initialize supplicant interface: GDBus.Error:fi.w1.wpa_supplicant1.UnknownError: wpa_supplicant couldn't grab this interface.
Mar 17 17:42:32 y-garn NetworkManager[1176]: <warn> [1616002952.4553] device (wlan0): re-acquiring supplicant interface (#3).
Mar 17 17:42:32 y-garn NetworkManager[1176]: <error> [1616002952.5196] device (wlan0): Couldn't initialize supplicant interface: GDBus.Error:fi.w1.wpa_supplicant1.UnknownError: wpa_supplicant couldn't grab this interface.
Mar 17 17:42:42 y-garn NetworkManager[1176]: <warn> [1616002962.4623] device (wlan0): re-acquiring supplicant interface (#4).
Mar 17 17:42:42 y-garn NetworkManager[1176]: <error> [1616002962.5575] device (wlan0): Couldn't initialize supplicant interface: GDBus.Error:fi.w1.wpa_supplicant1.UnknownError: wpa_supplicant couldn't grab this interface.
Mar 17 17:42:52 y-garn NetworkManager[1176]: <warn> [1616002972.4623] device (wlan0): re-acquiring supplicant interface (#5).
Mar 17 17:42:52 y-garn NetworkManager[1176]: <error> [1616002972.5462] device (wlan0): Couldn't initialize supplicant interface: GDBus.Error:fi.w1.wpa_supplicant1.UnknownError: wpa_supplicant couldn't grab this interface.
Mar 17 17:42:52 y-garn NetworkManager[1176]: <info> [1616002972.5463] device (wlan0): supplicant interface keeps failing, giving up