Command BASTREAM error 0x1

Hello,

i see some errors in system log

kern.err kernel: [89912.567964] ieee80211 phy0: Command BASTREAM error 0x1

What does this mean? Should I worry about them?

my hardware is Linksys E4200v2 with OpenWrt 19.07.1 r10911-c155900f66

This BASTREAM error 0x1 a really bad bug. It kills the video conference of all the connected clients to my AP, an EA3500 running 19.07.5 r11257-5090152ae3. It seems to happen to all my E3500's and EA4500's randomly.

Tue Jan 26 15:51:18 2021 daemon.info dnsmasq[2563]: read /tmp/hosts/odhcpd - 4 addresses
Tue Jan 26 15:51:18 2021 daemon.info dnsmasq[2563]: read /tmp/hosts/dhcp.dnsmasq_lan - 8 addresses
Tue Jan 26 15:51:18 2021 daemon.info dnsmasq-dhcp[2563]: read /etc/ethers - 0 addresses
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.413548] ieee80211 phy1: Deleted BA stream index 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.452154] ieee80211 phy1: Deleted BA stream index 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.457819] ieee80211 phy1: Remove stream for 88:bb:bb:ff:44:03 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.465133] ieee80211 phy1: Deleted BA stream index 3
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.470896] ieee80211 phy1: Deleted BA stream index 4
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.476318] ieee80211 phy1: Deleted BA stream index 5
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.482182] ieee80211 phy1: Deleted BA stream index 6
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.488005] ieee80211 phy1: Deleted BA stream index 0
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.493222] ieee80211 phy1: Deleted BA stream index 2
Tue Jan 26 15:53:46 2021 kern.notice kernel: [217162.499289] ieee80211 phy1: tx rings drained
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.503899] ieee80211 phy1: Deleted BA stream index 3
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.509478] ieee80211 phy1: Remove stream for 88:bb:bb:ff:44:0d 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.516358] ieee80211 phy1: Deleted BA stream index 4
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.521571] ieee80211 phy1: Remove stream for ff:99:88:aa:00:76 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.528641] ieee80211 phy1: Deleted BA stream index 5
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.533932] ieee80211 phy1: Remove stream for 66:99:aa:ee:dd:ce 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.541024] ieee80211 phy1: Deleted BA stream index 6
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.546333] ieee80211 phy1: Remove stream for 00:ff:dd:77:ff:6a 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.554069] ieee80211 phy1: Deleted BA stream index 0
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.559383] ieee80211 phy1: Remove stream for ff:55:77:bb:99:64 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.566373] ieee80211 phy1: Deleted BA stream index 2
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.571609] ieee80211 phy1: Remove stream for 88:cc:44:00:77:eb 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.931949] ieee80211 phy1: Added a new stream for ff:55:77:bb:99:64 1
Tue Jan 26 15:53:46 2021 kern.debug kernel: [217162.938658] ieee80211 phy1: Started stream for ff:55:77:bb:99:64 1
Tue Jan 26 15:53:46 2021 kern.err kernel: [217162.945132] ieee80211 phy1: Command BASTREAM error 0x1
Tue Jan 26 15:53:48 2021 kern.debug kernel: [217164.017486] ieee80211 phy1: Remove stream for ff:55:77:bb:99:64 1
Tue Jan 26 15:53:48 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 88:bb:bb:ff:44:0d
Tue Jan 26 15:53:48 2021 kern.notice kernel: [217164.164606] ieee80211 phy1: tx rings drained
Tue Jan 26 15:53:48 2021 kern.notice kernel: [217164.194415] ieee80211 phy1: tx rings drained
Tue Jan 26 15:53:48 2021 daemon.info hostapd: wlan1: STA 88:bb:bb:ff:44:0d IEEE 802.11: Station tried to associate before authentication (aid=-1 flags=0x0)
Tue Jan 26 15:53:48 2021 daemon.info hostapd: wlan1: STA 88:bb:bb:ff:44:0d IEEE 802.11: Station tried to associate before authentication (aid=-1 flags=0x0)
Tue Jan 26 15:53:55 2021 kern.debug kernel: [217171.283137] ieee80211 phy1: Added a new stream for 88:cc:44:00:77:eb 1
Tue Jan 26 15:53:55 2021 kern.debug kernel: [217171.289852] ieee80211 phy1: Started stream for 88:cc:44:00:77:eb 1
Tue Jan 26 15:53:55 2021 kern.debug kernel: [217171.300067] ieee80211 phy1: Created a BA stream for 88:cc:44:00:77:eb : tid 1
Tue Jan 26 15:54:24 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED ff:55:77:bb:99:64
Tue Jan 26 15:54:24 2021 daemon.info hostapd: wlan1: STA ff:55:77:bb:99:64 IEEE 802.11: authenticated
Tue Jan 26 15:54:24 2021 daemon.info hostapd: wlan1: STA ff:55:77:bb:99:64 IEEE 802.11: associated (aid 5)
Tue Jan 26 15:54:24 2021 daemon.notice hostapd: wlan1: STA-OPMODE-SMPS-MODE-CHANGED ff:55:77:bb:99:64 off
Tue Jan 26 15:54:24 2021 daemon.notice hostapd: wlan1: AP-STA-CONNECTED ff:55:77:bb:99:64
Tue Jan 26 15:54:24 2021 daemon.info hostapd: wlan1: STA ff:55:77:bb:99:64 WPA: pairwise key handshake completed (RSN)
Tue Jan 26 15:54:24 2021 daemon.info hostapd: wlan1: STA 88:bb:bb:ff:44:0d IEEE 802.11: authenticated
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: DHCPREQUEST(br-lan) 192.168.1.81 ff:55:77:bb:99:64
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: DHCPACK(br-lan) 192.168.1.81 ff:55:77:bb:99:64 clientA
Tue Jan 26 15:54:24 2021 daemon.info hostapd: wlan1: STA 88:bb:bb:ff:44:0d IEEE 802.11: associated (aid 1)
Tue Jan 26 15:54:24 2021 daemon.notice hostapd: wlan1: AP-STA-CONNECTED 88:bb:bb:ff:44:0d
Tue Jan 26 15:54:24 2021 daemon.info hostapd: wlan1: STA 88:bb:bb:ff:44:0d WPA: pairwise key handshake completed (RSN)
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: DHCPDISCOVER(br-lan) 88:bb:bb:ff:44:0d
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: DHCPOFFER(br-lan) 192.168.1.217 88:bb:bb:ff:44:0d
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: DHCPREQUEST(br-lan) 192.168.1.217 88:bb:bb:ff:44:0d
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: DHCPACK(br-lan) 192.168.1.217 88:bb:bb:ff:44:0d
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq[2563]: read /etc/hosts - 7 addresses
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq[2563]: read /tmp/hosts/odhcpd - 2 addresses
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq[2563]: read /tmp/hosts/dhcp.dnsmasq_lan - 8 addresses
Tue Jan 26 15:54:24 2021 daemon.info dnsmasq-dhcp[2563]: read /etc/ethers - 0 addresses
Tue Jan 26 15:54:25 2021 kern.debug kernel: [217201.073514] ieee80211 phy1: Added a new stream for ff:55:77:bb:99:64 1
Tue Jan 26 15:54:25 2021 kern.debug kernel: [217201.080223] ieee80211 phy1: Started stream for ff:55:77:bb:99:64 1
Tue Jan 26 15:54:25 2021 kern.debug kernel: [217201.090743] ieee80211 phy1: Created a BA stream for ff:55:77:bb:99:64 : tid 1
Tue Jan 26 15:54:25 2021 daemon.info dnsmasq[2563]: read /etc/hosts - 7 addresses
Tue Jan 26 15:54:25 2021 daemon.info dnsmasq[2563]: read /tmp/hosts/odhcpd - 4 addresses
Tue Jan 26 15:54:25 2021 daemon.info dnsmasq[2563]: read /tmp/hosts/dhcp.dnsmasq_lan - 8 addresses
Tue Jan 26 15:54:25 2021 daemon.info dnsmasq-dhcp[2563]: read /etc/ethers - 0 addresses
Tue Jan 26 15:54:36 2021 kern.debug kernel: [217212.898741] ieee80211 phy1: Added a new stream for ff:55:77:bb:99:64 0
Tue Jan 26 15:54:36 2021 kern.debug kernel: [217212.905436] ieee80211 phy1: Started stream for ff:55:77:bb:99:64 0
Tue Jan 26 15:54:36 2021 kern.debug kernel: [217212.915352] ieee80211 phy1: Created a BA stream for ff:55:77:bb:99:64 : tid 0
Tue Jan 26 15:54:42 2021 kern.notice kernel: [217218.304660] ieee80211 phy1: tx rings drained
Tue Jan 26 15:54:59 2021 kern.debug kernel: [217235.859423] ieee80211 phy1: Deleted BA stream index 2
Tue Jan 26 15:54:59 2021 kern.debug kernel: [217235.864949] ieee80211 phy1: Remove stream for ff:55:77:bb:99:64 0
Tue Jan 26 15:55:06 2021 kern.notice kernel: [217242.468204] ieee80211 phy1: tx rings drained

How to debug it?