iwn0: iwn_intr: fatal firmware error
firmware error log:
  error type      = "UNKNOWN" (0x0000198A)
  program counter = 0x00015920
  source line     = 0x000001DC
  error data      = 0x0000215300000002
  branch link     = 0x0001591000015910
  interrupt link  = 0x0000DBEA00000000
  time            = 3158480554
driver status:
  tx ring  0: qid=0  cur=3   queued=0  
  tx ring  1: qid=1  cur=0   queued=0  
  tx ring  2: qid=2  cur=105 queued=0  
  tx ring  3: qid=3  cur=2   queued=0  
  tx ring  4: qid=4  cur=0   queued=0  
  tx ring  5: qid=5  cur=0   queued=0  
  tx ring  6: qid=6  cur=0   queued=0  
  tx ring  7: qid=7  cur=0   queued=0  
  tx ring  8: qid=8  cur=0   queued=0  
  tx ring  9: qid=9  cur=113 queued=0  
  tx ring 10: qid=10 cur=0   queued=0  
  tx ring 11: qid=11 cur=0   queued=0  
  tx ring 12: qid=12 cur=0   queued=0  
  tx ring 13: qid=13 cur=0   queued=0  
  tx ring 14: qid=14 cur=0   queued=0  
  tx ring 15: qid=15 cur=0   queued=0  
  tx ring 16: qid=16 cur=0   queued=0  
  tx ring 17: qid=17 cur=0   queued=0  
  tx ring 18: qid=18 cur=0   queued=0  
  tx ring 19: qid=19 cur=0   queued=0  
  rx ring: cur=55
ifa_del_loopback_route: deletion failed: 48