I'm using the OpenWrt 19.07.3 stock firmware.
[ 4383.398691] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0
[ 4395.235962] ath10k_pci 0000:01:00.0: 10.4 wmi init: vdevs: 16 peers: 48 tid: 96
[ 4395.235998] ath10k_pci 0000:01:00.0: msdu-desc: 2500 skid: 32
[ 4395.311881] ath10k_pci 0000:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186 msdu-desc: 2500 sw-crypt: 0 ct-sta: 0'
[ 4395.312672] ath10k_pci 0000:01:00.0: wmi print 'free: 34244 iram: 32964 sram: 6508'
[ 4395.647420] ath10k_pci 0000:01:00.0: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[ 4395.647696] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 4395.659932] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0