Belkin RT3200/Linksys E8450 WiFi AX discussion

Since upgrading to 23.05 neither my AX6s nor my RT3200 activate 5GHz radio anymore (it works with my Archer 2600 so I presume its chipset specific, all are just dumb APs). Am I missing something?

FWIW, Kernel log on the AX6s:

[    6.369337] kmodloader: loading kernel modules from /etc/modules.d/*
[    6.378617] Loading modules backported from Linux version v6.1.24-0-g0102425ac76b
[    6.386137] Backport generated by backports.git v5.15.92-1-44-gd6ea70fafd36
[    6.446402] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[    6.464254] mt7915e 0000:01:00.0: assign IRQ: got 139
[    6.469370] mt7915e 0000:01:00.0: enabling device (0000 -> 0002)
[    6.475497] mt7915e 0000:01:00.0: enabling bus mastering
[    6.481389] mt7622-wmac 18000000.wmac: HW/SW Version: 0x8a108a10, Build Time: 20190801210006a
[    6.481389] 
[    6.574873] mt7622-wmac 18000000.wmac: N9 Firmware Version: _reserved_, Build Time: 20220630094834
[    6.610923] mtk-pcie 1a143000.pcie: msi#0 address_hi 0x0 address_lo 0x44d1d0c0
[    6.618910] urngd: v1.0.2 started.
[    6.632709] mt7915e 0000:01:00.0: Direct firmware load for mediatek/mt7915_rom_patch.bin failed with error -2
[    6.642668] mt7915e 0000:01:00.0: Falling back to sysfs fallback for: mediatek/mt7915_rom_patch.bin
[    6.929410] mt7915e: probe of 0000:01:00.0 failed with error -12