Created attachment 261019 [details]
dmesg

With the latest kernel and iwlwifi firmwares from linux-firmware git tree, it's fine to connect to 2.4GHz network with or without WPA, but can only connect to open 5GHz network.

The failed log looks like
[   50.426179] wlp2s0: authenticate with c8:d3:a3:5f:df:c8
[   50.434050] wlp2s0: send auth to c8:d3:a3:5f:df:c8 (try 1/3)
[   50.436471] wlp2s0: authenticated
[   50.440014] wlp2s0: associate with c8:d3:a3:5f:df:c8 (try 1/3)
[   50.441117] wlp2s0: RX AssocResp from c8:d3:a3:5f:df:c8 (capab=0x31 status=0 aid=1)
[   50.444224] wlp2s0: associated
[   56.676023] wlp2s0: deauthenticated from c8:d3:a3:5f:df:c8 (Reason: 15=4WAY_HANDSHAKE_TIMEOUT)
[   92.044162] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready


I've tried 6 different APs, those APs are good.
wlp2s0    IEEE 802.11  ESSID:"ubuntu-cert-bg-open"  
          Mode:Managed  Frequency:2.452 GHz  Access Point: C8:D3:A3:5F:DF:C6   
          Bit Rate=32.6 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=53/70  Signal level=-57 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

wlp2s0    IEEE 802.11  ESSID:"ubuntu-cert-n-open"  
          Mode:Managed  Frequency:5.22 GHz  Access Point: C0:C1:C0:45:04:FC   
          Bit Rate=32.6 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=45/70  Signal level=-65 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:23   Missed beacon:0

wlp2s0    IEEE 802.11  ESSID:"ubuntu-cert-ac-open"  
          Mode:Managed  Frequency:5.745 GHz  Access Point: C8:D3:A3:68:99:45   
          Bit Rate=32.6 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=40/70  Signal level=-70 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:1   Missed beacon:0

wlp2s0    IEEE 802.11  ESSID:"ubuntu-cert-bg-wpa"  
          Mode:Managed  Frequency:2.422 GHz  Access Point: C8:D3:A3:68:91:B7   
          Bit Rate=32.6 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=58/70  Signal level=-52 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:1   Missed beacon:0

And those APs can't get connected
wlp2s0    IEEE 802.11  ESSID:"ubuntu-cert-n-wpa"  
          Mode:Managed  Frequency:5.3 GHz  Access Point: 04:A1:51:32:0D:B4   
          Bit Rate=32.6 Mb/s   Tx-Power=17 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=47/70  Signal level=-63 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:15   Missed beacon:0

wlp2s0    IEEE 802.11  ESSID:"ubuntu-cert-ac-wpa"  
          Mode:Managed  Frequency:5.745 GHz  Access Point: C8:D3:A3:5F:DF:C8   
          Bit Rate=32.6 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=34/70  Signal level=-76 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:1   Missed beacon:0