diff --git a/gns3server/compute/docker/__init__.py b/gns3server/compute/docker/__init__.py
index 567d1ef32..82acba4b7 100644
--- a/gns3server/compute/docker/__init__.py
+++ b/gns3server/compute/docker/__init__.py
@@ -78,8 +78,10 @@ class Docker(BaseManager):
                         stderr=asyncio.subprocess.DEVNULL
                     )
                     stdout, _ = await proc.communicate()
-                    if proc.returncode == 1:
+                    if proc.returncode == 1 or "static" in busybox_exec:
                         # ldd returns 1 if the file is not a dynamic executable
+                        # on Alpine/musl, ldd returns 0 even for static binaries,
+                        # so also trust binaries named busybox-static or busybox.static
                         log.info(f"Installing busybox from '{busybox_path}' to '{dst_busybox}'")
                         shutil.copy2(busybox_path, dst_busybox, follow_symlinks=True)
                         return
diff --git a/gns3server/compute/qemu/qemu_vm.py b/gns3server/compute/qemu/qemu_vm.py
index cc666f030..f1e145696 100644
--- a/gns3server/compute/qemu/qemu_vm.py
+++ b/gns3server/compute/qemu/qemu_vm.py
@@ -2438,13 +2438,31 @@ class QemuVM(BaseNode):
         )  # we do not want any user networking back-end if no adapter is connected.
 
         # Each 32 PCI device we need to add a PCI bridge with max 9 bridges
-        # Reserve 32 devices on root pci_bridge,
-        # since the number of devices used by templates may differ significantly
-        # and pci_bridges also consume IDs.
-        # Move network devices to their own bridge
-        pci_devices_reserved = 32
+        # Count PCI devices: 4 default + disks (virtio/sata/nvme/scsi) + network adapters
+        pci_disk_devices = 0
+        for drive in ["a", "b", "c", "d"]:
+            # config disk replaces hdd when enabled
+            if drive == "d" and self._create_config_disk:
+                continue
+            if getattr(self, "_hd{}_disk_image".format(drive)):
+                interface = getattr(self, "_hd{}_disk_interface".format(drive))
+                # virtio, sata, nvme, and scsi each consume 1 PCI slot; ide and none don't
+                if interface not in ("none", "ide"):
+                    pci_disk_devices += 1
+        # config disk (replaces hdd) also consumes a PCI slot if created
+        if self._create_config_disk and self.config_disk_image:
+            interface = self.hdd_disk_interface if self.hdd_disk_interface != "none" else self.hda_disk_interface
+            if interface not in ("none", "ide"):
+                pci_disk_devices += 1
+
+        pci_devices = 4 + pci_disk_devices + len(self._ethernet_adapters)
+        pci_bridges = math.floor(pci_devices / 32)
         pci_bridges_created = 0
-        pci_device_id = pci_devices_reserved
+        if pci_bridges >= 1:
+            if self._qemu_version and parse_version(self._qemu_version) < parse_version("2.4.0"):
+                raise QemuError("Qemu version 2.4 or later is required to run this VM with a large number of network adapters")
+
+        pci_device_id = 4 + pci_bridges + pci_disk_devices  # Bridges and disks consume PCI ports
         for adapter_number, adapter in enumerate(self._ethernet_adapters):
             mac = int_to_macaddress(macaddress_to_int(self._mac_address) + adapter_number)
 
diff --git a/tests/compute/docker/test_docker.py b/tests/compute/docker/test_docker.py
index 917255f78..fd5cf81fd 100644
--- a/tests/compute/docker/test_docker.py
+++ b/tests/compute/docker/test_docker.py
@@ -261,7 +261,7 @@ async def test_install_busybox_dynamic_linked():
     mock_process.communicate = AsyncioMagicMock(return_value=(b"Dynamically linked library", b""))
 
     with patch("os.path.isfile", return_value=False):
-        with patch("gns3server.compute.docker.shutil.which", return_value="/usr/bin/busybox"):
+        with patch("gns3server.compute.docker.shutil.which", side_effect=lambda name: "/usr/bin/busybox" if name == "busybox" else None):
             with asyncio_patch("gns3server.compute.docker.asyncio.create_subprocess_exec", return_value=mock_process):
                 with pytest.raises(DockerError) as e:
                     dst_dir = Docker.resources_path()