Comment 12 for bug 1839181

Hi Senthil/Yang,

Could you please help check the file (filename starts with "tap" or "qr") status in the below directory:
   /sys/devices/virtual/net/
   /sys/class/net/

The following log in ovs-vswitchd in compute-1 shows those file are in wrong status which may cause ovs-vswitchd wrong:
2019-08-05T08:40:03.921Z|00881|dpif_netdev|ERR|error receiving data from tap588a7711-e2: File descriptor in bad state
2019-08-05T08:40:04.006Z|00882|dpif_netdev|ERR|error receiving data from tap588a7711-e2: File descriptor in bad state
2019-08-05T08:40:04.020Z|00888|dpif_netdev|ERR|error receiving data from tap588a7711-e2: File descriptor in bad state
2019-08-05T08:40:04.167Z|00889|dpif_netdev|ERR|error receiving data from tap6c26786b-f7: File descriptor in bad state
2019-08-05T08:40:04.167Z|00890|dpif_netdev|ERR|error receiving data from tap588a7711-e2: File descriptor in bad state