diff --git a/blockdev.c b/blockdev.c
index 5c02a4289c..d4bc435940 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2513,6 +2513,8 @@ void qmp_blockdev_change_medium(const char *device, const char *filename,
     }
 
     bdrv_flags = blk_get_open_flags_from_root_state(blk);
+    bdrv_flags &= ~(BDRV_O_TEMPORARY | BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING |
+        BDRV_O_PROTOCOL);
 
     if (!has_read_only) {
         read_only = BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN;
diff --git a/tests/qemu-iotests/067 b/tests/qemu-iotests/067
index 3788534d67..77dec0d1fc 100755
--- a/tests/qemu-iotests/067
+++ b/tests/qemu-iotests/067
@@ -45,11 +45,20 @@ function do_run_qemu()
     echo
 }
 
+# Remove QMP events from (pretty-printed) output. Doesn't handle
+# nested dicts correctly, but we don't get any of those in this test.
+_filter_qmp_events()
+{
+    tr '\n' '\t' | sed -e \
+	's/{\s*"timestamp":\s*{[^}]*},\s*"event":[^,}]*\(,\s*"data":\s*{[^}]*}\)\?\s*}\s*//g' \
+	| tr '\t' '\n'
+}
+
 function run_qemu()
 {
     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp | _filter_qemu \
                           | sed -e 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g' \
-                          | _filter_generated_node_ids
+                          | _filter_generated_node_ids | _filter_qmp_events
 }
 
 size=128M
diff --git a/tests/qemu-iotests/067.out b/tests/qemu-iotests/067.out
index ae3fccb15f..7e25a49029 100644
--- a/tests/qemu-iotests/067.out
+++ b/tests/qemu-iotests/067.out
@@ -69,34 +69,6 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk -device virti
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "path": "/machine/peripheral/virtio0/virtio-backend"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "device": "virtio0",
-        "path": "/machine/peripheral/virtio0"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "RESET"
-}
 {
     "return": [
     ]
@@ -105,14 +77,6 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk -device virti
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "SHUTDOWN"
-}
-
 
 === -drive/device_add and device_del ===
 
@@ -185,34 +149,6 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "path": "/machine/peripheral/virtio0/virtio-backend"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "device": "virtio0",
-        "path": "/machine/peripheral/virtio0"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "RESET"
-}
 {
     "return": [
     ]
@@ -221,14 +157,6 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "SHUTDOWN"
-}
-
 
 === drive_add/device_add and device_del ===
 
@@ -304,34 +232,6 @@ Testing:
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "path": "/machine/peripheral/virtio0/virtio-backend"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "device": "virtio0",
-        "path": "/machine/peripheral/virtio0"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "RESET"
-}
 {
     "return": [
     ]
@@ -340,14 +240,6 @@ Testing:
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "SHUTDOWN"
-}
-
 
 === blockdev_add/device_add and device_del ===
 
@@ -424,34 +316,6 @@ Testing:
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "path": "/machine/peripheral/virtio0/virtio-backend"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "DEVICE_DELETED",
-    "data": {
-        "device": "virtio0",
-        "path": "/machine/peripheral/virtio0"
-    }
-}
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "RESET"
-}
 {
     "return": [
         {
@@ -506,12 +370,4 @@ Testing:
     "return": {
     }
 }
-{
-    "timestamp": {
-        "seconds":  TIMESTAMP,
-        "microseconds":  TIMESTAMP
-    },
-    "event": "SHUTDOWN"
-}
-
 *** done
diff --git a/tests/qemu-iotests/140 b/tests/qemu-iotests/140
index f78c3175a3..05e4506676 100755
--- a/tests/qemu-iotests/140
+++ b/tests/qemu-iotests/140
@@ -1,6 +1,10 @@
 #!/bin/bash
 #
-# Test case for ejecting a BB with an NBD server attached to it
+# Test case for ejecting a BlockBackend with an NBD server attached to it
+#
+# Verify that the NBD server stops offering the drive when ejecting a
+# BlockDriverState tree from a BlockBackend (that is, a medium from a
+# drive) exposed via an NBD server.
 #
 # Copyright (C) 2016 Red Hat, Inc.
 #
@@ -49,7 +53,7 @@ _make_test_img 64k
 $QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG" | _filter_qemu_io
 
 keep_stderr=y \
-_launch_qemu -drive if=ide,media=cdrom,id=drv,file="$TEST_IMG",format=$IMGFMT \
+_launch_qemu -drive if=none,media=cdrom,id=drv,file="$TEST_IMG",format=$IMGFMT \
     2> >(_filter_nbd)
 
 _send_qemu_cmd $QEMU_HANDLE \
diff --git a/tests/qemu-iotests/140.out b/tests/qemu-iotests/140.out
index 72f1b4cf1c..0409cd0174 100644
--- a/tests/qemu-iotests/140.out
+++ b/tests/qemu-iotests/140.out
@@ -7,7 +7,6 @@ wrote 65536/65536 bytes at offset 0
 {"return": {}}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "DEVICE_TRAY_MOVED", "data": {"device": "drv", "tray-open": true}}
 {"return": {}}
 can't open device nbd+unix:///drv?socket=TEST_DIR/nbd: No export with name 'drv' available
 no file open, try 'help open'