Weird... I thought I selected 'wpasupplicant' as affected package. Sorry
for the mistake

** Description changed:

  Ubuntu 20.04 LTS ARM (Running on a raspberry Pi)
  
  ********
  Logfile:
  ********
  
- NetworkManager[1345]: <info>  [1593736912.7230] policy: auto-activating 
connection 'hotspot-inside' (37c28408-978a-48e0-a135-9867e3a45c64)              
                                      
+ NetworkManager[1345]: <info>  [1593736912.7230] policy: auto-activating 
connection 'hotspot-inside' (37c28408-978a-48e0-a135-9867e3a45c64)
  NetworkManager[1345]: <info>  [1593736912.7248] device (wlx00c0caab435c): 
Activation: starting connection 'hotspot-inside' 
(37c28408-978a-48e0-a135-9867e3a45c64)
- NetworkManager[1345]: <info>  [1593736912.7252] device (wlx00c0caab435c): 
state change: disconnected -> prepare (reason 'none', sys-iface-state: 
'managed')                                   
- NetworkManager[1345]: <info>  [1593736912.7261] manager: NetworkManager state 
is now CONNECTING                                                               
                                
+ NetworkManager[1345]: <info>  [1593736912.7252] device (wlx00c0caab435c): 
state change: disconnected -> prepare (reason 'none', sys-iface-state: 
'managed')
+ NetworkManager[1345]: <info>  [1593736912.7261] manager: NetworkManager state 
is now CONNECTING
  NetworkManager[1345]: <info>  [1593736912.7449] device (wlx00c0caab435c): 
state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
  NetworkManager[1345]: <info>  [1593736912.7459] device (wlx00c0caab435c): 
Activation: (wifi) access point 'hotspot-inside' has security, but secrets are 
required.
  NetworkManager[1345]: <info>  [1593736912.7460] device (wlx00c0caab435c): 
state change: config -> need-auth (reason 'none', sys-iface-state: 'managed')
  NetworkManager[1345]: <info>  [1593736912.7530] device (wlx00c0caab435c): 
state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed')
- NetworkManager[1345]: <info>  [1593736912.7557] device (wlx00c0caab435c): 
state change: prepare -> config (reason 'none', sys-iface-state: 'managed')     
                                    
- NetworkManager[1345]: <info>  [1593736912.7566] device (wlx00c0caab435c): 
Activation: (wifi) connection 'hotspot-inside' has security, and secrets exist. 
 No new secrets needed.             
- NetworkManager[1345]: <info>  [1593736912.7571] Config: added 'ssid' value 
'hotspot-inside'   
- NetworkManager[1345]: <info>  [1593736912.7572] Config: added 'mode' value 
'2'                 
- NetworkManager[1345]: <info>  [1593736912.7573] Config: added 'frequency' 
value '2412'                                                                    
                                    
- NetworkManager[1345]: <info>  [1593736912.7574] Config: added 'key_mgmt' 
value 'WPA-PSK WPA-PSK-SHA256 FT-PSK'                                           
                                     
- NetworkManager[1345]: <info>  [1593736912.7574] Config: added 'psk' value 
'<hidden>'           
- NetworkManager[1345]: <info>  [1593736912.7575] Config: added 'proto' value 
'RSN'                                                                           
                                  
- NetworkManager[1345]: <info>  [1593736912.7575] Config: added 'pairwise' 
value 'CCMP'          
- NetworkManager[1345]: <info>  [1593736912.7576] Config: added 'group' value 
'CCMP'                                                                          
                                  
- wpa_supplicant[1358]: Note: nl80211 driver interface is not designed to be 
used with ap_scan=2; this can result in connection failures                     
                                   
+ NetworkManager[1345]: <info>  [1593736912.7557] device (wlx00c0caab435c): 
state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
+ NetworkManager[1345]: <info>  [1593736912.7566] device (wlx00c0caab435c): 
Activation: (wifi) connection 'hotspot-inside' has security, and secrets exist. 
 No new secrets needed.
+ NetworkManager[1345]: <info>  [1593736912.7571] Config: added 'ssid' value 
'hotspot-inside'
+ NetworkManager[1345]: <info>  [1593736912.7572] Config: added 'mode' value '2'
+ NetworkManager[1345]: <info>  [1593736912.7573] Config: added 'frequency' 
value '2412'
+ NetworkManager[1345]: <info>  [1593736912.7574] Config: added 'key_mgmt' 
value 'WPA-PSK WPA-PSK-SHA256 FT-PSK'
+ NetworkManager[1345]: <info>  [1593736912.7574] Config: added 'psk' value 
'<hidden>'
+ NetworkManager[1345]: <info>  [1593736912.7575] Config: added 'proto' value 
'RSN'
+ NetworkManager[1345]: <info>  [1593736912.7575] Config: added 'pairwise' 
value 'CCMP'
+ NetworkManager[1345]: <info>  [1593736912.7576] Config: added 'group' value 
'CCMP'
+ wpa_supplicant[1358]: Note: nl80211 driver interface is not designed to be 
used with ap_scan=2; this can result in connection failures
  wpa_supplicant[1358]: Using interface wlx00c0caab435c with hwaddr 
00:c0:ca:ab:43:5c and ssid "hotspot-inside"
- 
  
  *************************************
  NetworkManager Connection definition:
  *************************************
  
  [connection]
  id=hotspot-inside
  uuid=37c28408-978a-48e0-a135-9867e3a45c64
  type=wifi
  autoconnect-priority=5
  permissions=
  timestamp=1593537574
  
  [wifi]
  mac-address=00:C0:CA:AB:43:5C
  mac-address-blacklist=
  mode=ap
  seen-bssids=00:C0:CA:AB:43:5C;DC:A6:32:3A:67:FC;
  ssid=hotspot-inside
  
  [wifi-security]
  group=ccmp;
  key-mgmt=wpa-psk
  pairwise=ccmp;
  proto=rsn;
  psk=<XXX>
  
  [ipv4]
  dns-search=
  method=shared
  
  [ipv6]
  addr-gen-mode=stable-privacy
  dns-search=
  method=ignore
  
  [proxy]
  
  *****************************
  USB Network Card information:
  *****************************
  
  *-network:1
-    description: Wireless interface
-    physical id: 2
-    bus info: usb@1:1.1
-    logical name: wlx00c0caab435c
-    serial: 00:c0:ca:ab:43:5c
-    capabilities: ethernet physical wireless
-    configuration: broadcast=yes driver=rtl88XXau ip=10.42.0.1 multicast=yes 
wireless=IEEE 802.11bgn
+    description: Wireless interface
+    physical id: 2
+    bus info: usb@1:1.1
+    logical name: wlx00c0caab435c
+    serial: 00:c0:ca:ab:43:5c
+    capabilities: ethernet physical wireless
+    configuration: broadcast=yes driver=rtl88XXau ip=10.42.0.1 multicast=yes 
wireless=IEEE 802.11bgn
  
- 
- (The device is an Alfa AWUS036AC, using the driver 
https://github.com/aircrack-ng/rtl8812au - Version 5.6.4.2)
+ (The device is an Alfa AWUS036AC, using the driver https://github.com
+ /aircrack-ng/rtl8812au - Version 5.6.4.2)
  
  **************************
  What I expected to happen:
  **************************
  I expect my windows 10 PC to be able to connect to a hotspot if I set one up
  
  **********************
  What happened instead:
  **********************
  It can't connect to the AP
  
  ***********************
  Logs of when I connect:
  ***********************
  wpa_supplicant[1358]: wlx00c0caab435c: CTRL-EVENT-SUBNET-STATUS-UPDATE 
status=0
  
- 
- ... this is the only line that appears in the logs and on the windows 
machine, I get the very helpful description of "Can't connect"...
+ ... this is the only line that appears in the logs and on the windows
+ machine, I get the very helpful description of "Can't connect"...
  
  ******************
  What I did so far:
  ******************
  I tried reading about the ap_scan modes what I could find.
  The only two references I did find, was:
- - that ap_mode is a setting you can set in wpa_supplicant, however, I'm using 
NetworkManager and I don't find a way to set 'ap_mode=1'
+ - that ap_mode is a setting you can set in wpa_supplicant, however, I'm using 
NetworkManager. I checked the references and I don't find a way to set 
'ap_mode=1'
  - all other references were bugreports, which led me to here.
  I ordered a new Network Card, using a different chipset, to see if the 
problem persists. Sadly it didn't arrive yet.

-- 
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1886169

Title:
  "nl80211 driver interface is not designed to be used with ap_scan=2"

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