mt7615 produces massive interrupt errors

While the current build for my Xiaomi R3P runs very smoothly it shows a lot of interrupt errors caused by the mt7615 chips/drivers. Are these errors of any relevance or just a "cosmetic" thing?

the version I am using is OpenWrt SNAPSHOT r13136-ad27c133eb

root@OpenWrt:~# uptime 
 15:16:49 up 21:12,  load average: 0.11, 0.11, 0.09
root@OpenWrt:~# cat /proc/interrupts 
           CPU0       CPU1       CPU2       CPU3       
  8:   18994042   18994019   18993939   18993963  MIPS GIC Local   1  timer
  9:    1000669          0          0          0  MIPS GIC  63  IPI call
 10:          0     509858          0          0  MIPS GIC  64  IPI call
 11:          0          0    1116472          0  MIPS GIC  65  IPI call
 12:          0          0          0     557813  MIPS GIC  66  IPI call
 13:     774539          0          0          0  MIPS GIC  67  IPI resched
 14:          0    2137015          0          0  MIPS GIC  68  IPI resched
 15:          0          0    2696994          0  MIPS GIC  69  IPI resched
 16:          0          0          0    5773865  MIPS GIC  70  IPI resched
 17:          0          0          0          0  MIPS GIC  19  1e000600.gpio-bank0, 1e000600.gpio-bank1, 1e000600.gpio-bank2
 19:         12          0          0          0  MIPS GIC  33  ttyS0
 21:   40355768          0          0          0  MIPS GIC  10  1e100000.ethernet
 23:         58          0    7974871          0  MIPS GIC  11  mt7615e
 24:         38          0          0   11081282  MIPS GIC  31  mt7615e
 26:          0          0          0          0  1e000600.gpio  18  keys
ERR:     128647

dmesg also shows these mt7615 related errors:

[47100.922692] ------------[ cut here ]------------
[47100.927488] WARNING: CPU: 2 PID: 0 at backports-5.4.27-1/net/mac80211/sta_info.c:1937 ieee80211_sta_update_pending_airtime+0x22c/0x234 [mac80211]
[47100.940512] STA 24:62:ab:0a:fb:8d AC 2 txq pending airtime underflow: 4294966312, 984
[47100.940518] Modules linked in: xt_connlimit nf_conncount iptable_nat xt_state xt_nat xt_helper xt_conntrack xt_connmark xt_connbytes xt_REDIRECT xt_MASQUERADE xt_FLOWOFFLOAD xt_CT nf_nat nf_flow_table_hw nf_flow_table nf_conntrack_rtcache nf_conntrack mt7615e mt7615_common mt76 mac80211 ipt_REJECT cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_recent xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_ecn xt_dscp xt_comment xt_TCPMSS xt_LOG xt_HL xt_DSCP xt_CLASSIFY sch_cake nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables compat sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred ledtrig_heartbeat nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ifb leds_gpio gpio_button_hotplug
[47101.027327] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.4.36 #0
[47101.033224] Stack : 8f2c5e60 800772d8 80670000 806701ec 806d0000 806701b4 8066f308 8fc11c44
[47101.041559]         80810000 8fc3c724 806b6d03 806082c4 00000002 00000001 8fc11be8 e2301d8e
[47101.049888]         00000000 00000000 80850000 00000000 00000030 0000015a 342e3520 2036332e
[47101.058208]         00000000 00000927 00000000 00006abf 00000000 806d0000 00000000 8ec08790
[47101.066528]         00000009 00000000 00000000 00000000 00000002 80323990 00000008 80810008
[47101.074850]         ...
[47101.077289] Call Trace:
[47101.079750] [<8000b72c>] show_stack+0x30/0x100
[47101.084190] [<805506c4>] dump_stack+0xa4/0xdc
[47101.088541] [<80028058>] __warn+0xc0/0x10c
[47101.092622] [<80028130>] warn_slowpath_fmt+0x8c/0xac
[47101.097706] [<8ec08790>] ieee80211_sta_update_pending_airtime+0x22c/0x234 [mac80211]
[47101.105488] [<8ec01ebc>] ieee80211_report_low_ack+0xf0/0x43c [mac80211]
[47101.112143] [<8ec02220>] ieee80211_free_txskb+0x18/0x30 [mac80211]
[47101.118347] [<8f3153cc>] mt76_tx_complete_skb+0xa8/0xbc [mt76]
[47101.124180] [<8f339eb8>] mt7615_txp_skb_unmap+0x1f0/0x22c [mt7615_common]
[47101.131077] ---[ end trace 308975b9c96e1bc6 ]---

Start at backports-5.4.27-1/net/mac80211/sta_info.c:1937 and trace ieee80211_sta_update_pending_airtime through ieee80211_report_low_ack and the mt76_tx_complete_skb/mt7615_txp_skb_unmap path. Reproduce with the reported /proc/interrupts and dmesg output, then establish whether the interrupt count and airtime-underflow warning affect operation and identify the driver-side change needed.