Using 4.8.1, 2.4Ghz Wifi seems really unstable on this device.
I have a lot of Xiaomi Home smart devices and some of them (primarly Mi 360° Home Security Camera 2K Pro and Mi Smart LED Bulbs) randomly dissconnetc/reconnect continuosly:
Mon Jul 28 12:29:19 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: disassociated
Mon Jul 28 12:29:20 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:29:21 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:29:26 2025 kern.err kernel: [ 3765.975297] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:29:26 2025 kern.err kernel: [ 3765.975297]
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: associated (aid 4)
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 1/4 msg of 4-Way Handshake
Mon Jul 28 12:29:26 2025 kern.err kernel: [ 3765.987933] wlan: [7398:I:ANY] wlan_cfg80211_change_station: Ignore set station for ap vlan wlan0
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (2/4 Pairwise)
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 3/4 msg of 4-Way Handshake
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (4/4 Pairwise)
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 RADIUS: starting accounting session 9E1D9BB50897AAAC
Mon Jul 28 12:29:26 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: pairwise key handshake completed (RSN)
Mon Jul 28 12:29:47 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: disassociated
Mon Jul 28 12:29:53 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:29:54 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:29:54 2025 kern.err kernel: [ 3794.258269] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:29:54 2025 kern.err kernel: [ 3794.258269]
Mon Jul 28 12:29:55 2025 kern.err kernel: [ 3795.229827] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:29:55 2025 kern.err kernel: [ 3795.229827]
Mon Jul 28 12:29:55 2025 kern.err kernel: [ 3795.326172] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:29:55 2025 kern.err kernel: [ 3795.326172]
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: associated (aid 4)
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 1/4 msg of 4-Way Handshake
Mon Jul 28 12:29:55 2025 kern.err kernel: [ 3795.333788] wlan: [7398:I:ANY] wlan_cfg80211_change_station: Ignore set station for ap vlan wlan0
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (2/4 Pairwise)
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 3/4 msg of 4-Way Handshake
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (4/4 Pairwise)
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 RADIUS: starting accounting session 9918B583C298CAEE
Mon Jul 28 12:29:55 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: pairwise key handshake completed (RSN)
Mon Jul 28 12:30:28 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: disassociated
Mon Jul 28 12:30:28 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:30:29 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:30:34 2025 kern.err kernel: [ 3833.834018] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:30:34 2025 kern.err kernel: [ 3833.834018]
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: associated (aid 4)
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 1/4 msg of 4-Way Handshake
Mon Jul 28 12:30:34 2025 kern.err kernel: [ 3833.838912] wlan: [7398:I:ANY] wlan_cfg80211_change_station: Ignore set station for ap vlan wlan0
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (2/4 Pairwise)
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 3/4 msg of 4-Way Handshake
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (4/4 Pairwise)
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 RADIUS: starting accounting session 22A7C94B094EEE07
Mon Jul 28 12:30:34 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: pairwise key handshake completed (RSN)
Mon Jul 28 12:31:01 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: disassociated
Mon Jul 28 12:31:08 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:31:08 2025 kern.err kernel: [ 3868.138862] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:31:08 2025 kern.err kernel: [ 3868.138862]
Mon Jul 28 12:31:09 2025 kern.err kernel: [ 3869.098833] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:31:09 2025 kern.err kernel: [ 3869.098833]
Mon Jul 28 12:31:10 2025 kern.err kernel: [ 3870.079700] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:31:10 2025 kern.err kernel: [ 3870.079700]
Mon Jul 28 12:31:16 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: disassociated
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: authenticated
Mon Jul 28 12:31:22 2025 kern.err kernel: [ 3881.782113] wlan: [0:E:ANY] ieee80211_recv_asreq: ieee80211_recv_asreq: assoc req from dms not-supported sta :60:7e:a4:eb:8e:a3
Mon Jul 28 12:31:22 2025 kern.err kernel: [ 3881.782113]
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 IEEE 802.11: associated (aid 4)
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 1/4 msg of 4-Way Handshake
Mon Jul 28 12:31:22 2025 kern.err kernel: [ 3881.787076] wlan: [7398:I:ANY] wlan_cfg80211_change_station: Ignore set station for ap vlan wlan0
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 1/4 msg of 4-Way Handshake
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (2/4 Pairwise)
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: sending 3/4 msg of 4-Way Handshake
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: received EAPOL-Key frame (4/4 Pairwise)
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 RADIUS: starting accounting session A81C33265550700E
Mon Jul 28 12:31:22 2025 daemon.info hostapd: wlan0: STA 60:7e:a4:eb:8e:a3 WPA: pairwise key handshake completed (RSN)
MLO also seems to not work well. My Xiaomi 14T Pro can connect to MLO Wifi but it can't use 6Ghz on MLO, it just stays on 2.4Ghz most of the times, sometimes jumping to 5Ghz.
Intrestingly, 6Ghz works just fine if I connect directly to it.
On my desktop I have an Asrock X670e Taichi wich is using Killer 802.11ax Wi-Fi 6E and it connects to 6Ghz when using MLO and seems to work just fine for now...