Additional hint - the issue occurs with owe networks (https://en.wikipedia.org/wiki/Opportunistic_Wireless_Encryption)


bash$ nmcli dev wifi 
IN-USE  BSSID              SSID                     MODE   CHAN  RATE        SIGNAL  BARS  SECURITY  
        DE:83:89:1B:D6:A8  ffm.freifunk.net         Infra  1     130 Mbit/s  90      ▂▄▆█  OWE       
        DE:83:89:1B:D6:AA  owe.ffm.freifunk.net     Infra  1     130 Mbit/s  90      ▂▄▆█  OWE       




Here an example network wifi scan:

BSS xx:xx:xx:xx:d6:aa(on wlp58s0)
        last seen: 207.252s [boottime]
        TSF: 18034688076 usec (0d, 05:00:34)
        freq: 2412
        beacon interval: 100 TUs
        capability: ESS Privacy ShortPreamble ShortSlotTime RadioMeasure (0x1431)
        signal: -51.00 dBm
        last seen: 10296 ms ago
        SSID: 
        Supported rates: 6.0* 9.0 12.0* 18.0 24.0* 36.0 48.0 54.0 
        DS Parameter set: channel 1
        TIM: DTIM Count 1 DTIM Period 2 Bitmap Control 0x0 Bitmap[0] 0x0
        Country: DE     Environment: Indoor/Outdoor
                Channels [1 - 13] @ 20 dBm
        ERP: <no flags>
        RSN:     * Version: 1
                 * Group cipher: CCMP
                 * Pairwise ciphers: CCMP
                 * Authentication suites: OWE
                 * Capabilities: 16-PTKSA-RC 1-GTKSA-RC MFP-required MFP-capable (0x00cc)
        BSS Load:
                 * station count: 0
                 * channel utilisation: 23/255
                 * available admission capacity: 0 [*32us]
        RM enabled capabilities:
                Capabilities: 0x73 0x00 0x00 0x00 0x00
                        Link Measurement
                        Neighbor Report
                        Beacon Passive Measurement
                        Beacon Active Measurement
                        Beacon Table Measurement
                Nonoperating Channel Max Measurement Duration: 0
                Measurement Pilot Capability: 0
        Supported operating classes:
                 * current operating class: 81
        HT capabilities:
                Capabilities: 0x1ec
                        HT20
                        SM Power Save disabled
                        RX HT20 SGI
                        RX HT40 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 3839 bytes
                        No DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: No restriction (0x00)
                HT TX/RX MCS rate indexes supported: 0-15
        HT operation:
                 * primary channel: 1
                 * secondary channel offset: no secondary
                 * STA channel width: 20 MHz
                 * RIFS: 0
                 * HT protection: no
                 * non-GF present: 0
                 * OBSS non-GF present: 0
                 * dual beacon: 0
                 * dual CTS protection: 0
                 * STBC beacon: 0
                 * L-SIG TXOP Prot: 0
                 * PCO active: 0
                 * PCO phase: 0
        Extended capabilities:
                 * Extended Channel Switching
                 * BSS Transition
                 * SSID List
                 * QoS Map
                 * UTF-8 SSID
                 * Operating Mode Notification
        WMM:     * Parameter version 1
                 * u-APSD
                 * BE: CW 15-1023, AIFSN 3
                 * BK: CW 15-1023, AIFSN 7
                 * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
                 * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
        OWE Transition Mode:
                BSSID: xx:xx:xx:xx:d6:a8
                SSID: ffm.freifunk.net
BSS xx:xx:xx:xx:d6:a8(on wlp58s0)
        last seen: 217.131s [boottime]
        TSF: 18044671265 usec (0d, 05:00:44)
        freq: 2412
        beacon interval: 100 TUs
        capability: ESS ShortPreamble ShortSlotTime RadioMeasure (0x1421)
        signal: -44.00 dBm
        last seen: 420 ms ago
        Information elements from Probe Response frame:
        SSID: ffm.freifunk.net
        Supported rates: 6.0* 9.0 12.0* 18.0 24.0* 36.0 48.0 54.0 
        DS Parameter set: channel 1
        Country: DE     Environment: Indoor/Outdoor
                Channels [1 - 13] @ 20 dBm
        ERP: <no flags>
        BSS Load:
                 * station count: 0
                 * channel utilisation: 22/255
                 * available admission capacity: 0 [*32us]
        RM enabled capabilities:
                Capabilities: 0x73 0x00 0x00 0x00 0x00
                        Link Measurement
                        Neighbor Report
                        Beacon Passive Measurement
                        Beacon Active Measurement
                        Beacon Table Measurement
                Nonoperating Channel Max Measurement Duration: 0
                Measurement Pilot Capability: 0
        Supported operating classes:
                 * current operating class: 81
        HT capabilities:
                Capabilities: 0x1ec
                        HT20
                        SM Power Save disabled
                        RX HT20 SGI
                        RX HT40 SGI
                        TX STBC
                        RX STBC 1-stream
                        Max AMSDU length: 3839 bytes
                        No DSSS/CCK HT40
                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
                Minimum RX AMPDU time spacing: No restriction (0x00)
                HT TX/RX MCS rate indexes supported: 0-15
        HT operation:
                 * primary channel: 1
                 * secondary channel offset: no secondary
                 * STA channel width: 20 MHz
                 * RIFS: 0
                 * HT protection: no
                 * non-GF present: 0
                 * OBSS non-GF present: 0
                 * dual beacon: 0
                 * dual CTS protection: 0
                 * STBC beacon: 0
                 * L-SIG TXOP Prot: 0
                 * PCO active: 0
                 * PCO phase: 0
        Extended capabilities:
                 * Extended Channel Switching
                 * BSS Transition
                 * SSID List
                 * QoS Map
                 * UTF-8 SSID
                 * Operating Mode Notification
        WMM:     * Parameter version 1
                 * u-APSD
                 * BE: CW 15-1023, AIFSN 3
                 * BK: CW 15-1023, AIFSN 7
                 * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
                 * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
        OWE Transition Mode:
                BSSID: xx:xx:xx:xx:d6:aa
                SSID: owe.ffm.freifunk.net