Quantum/OVS - port references with errors

gistfile1.txt

root@nova3:~# ovs-dpctl show
system@br-ext:
	lookups: hit:435770 missed:19739 lost:0
	flows: 5
	port 0: br-ext (internal)
	port 1: bond1
May 14 10:26:30|00001|netdev_linux|WARN|/sys/class/net/qg-084b952d-71/carrier: open failed: No such file or directory
	port 2: qg-084b952d-71 (internal)
system@br-tun:
	lookups: hit:6947 missed:14688 lost:0
	flows: 0
	port 0: br-tun (internal)
	port 1: patch-int (patch: peer=patch-tun)
system@br-int:
	lookups: hit:23194 missed:34741 lost:0
	flows: 0
	port 0: br-int (internal)
	port 1: patch-tun (patch: peer=patch-int)
May 14 10:26:30|00002|netdev_linux|WARN|/sys/class/net/tap04a53060-98/carrier: open failed: No such file or directory
	port 2: tap04a53060-98 (internal)
May 14 10:26:30|00003|netdev_linux|WARN|/sys/class/net/qr-e1b138bb-7a/carrier: open failed: No such file or directory
	port 3: qr-e1b138bb-7a (internal)
	port 4: qvod837239e-2f
	port 5: qvo044ef1fc-50
	port 6: qvo63781858-33
	port 9: qvoae97dcbf-d4
	port 10: qvo24396c27-94