[524653.490000] ath10k_warn: 8 callbacks suppressed [524653.490000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 50:7a:55:2f:62:05 [524653.500000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 2c:f0:a2:3b:d0:49 [524653.510000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 74:a5:28:b9:3a:1c [524654.490000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 50:7a:55:2f:62:05 [524654.490000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 2c:f0:a2:3b:d0:49 [524654.500000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 74:a5:28:b9:3a:1c [524655.490000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 50:7a:55:2f:62:05 [524655.490000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 2c:f0:a2:3b:d0:49 [524655.500000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 74:a5:28:b9:3a:1c [524656.490000] ath10k_pci 0000:00:00.0: Spurious quick kickout for STA 50:7a:55:2f:62:05 I user ath10k+QCA9887 for 5G and ath10k driver seemly have some bugs.
not a backports bug - maybe a driver bug
you'll want to update the kernel version to indicate the version the driver was taken from / the backport that was used could also be a firmware bug, who knows