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https://github.com/GNS3/gns3-server
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Merge pull request #1986 from GNS3/remove-qemu-legacy-networking
Remove Qemu legacy networking support
This commit is contained in:
Jeremy Grossmann
GitHub
commit
16ac9358df
@ -146,7 +146,6 @@ class QemuVM(BaseNode):
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self._initrd = ""
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self._kernel_image = ""
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self._kernel_command_line = ""
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self._legacy_networking = False
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self._replicate_network_connection_state = True
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self._create_config_disk = False
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self._on_close = "power_off"
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@ -679,30 +678,6 @@ class QemuVM(BaseNode):
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)
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)
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@property
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def legacy_networking(self):
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"""
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Returns either QEMU legacy networking commands are used.
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:returns: boolean
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"""
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return self._legacy_networking
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@legacy_networking.setter
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def legacy_networking(self, legacy_networking):
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"""
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Sets either QEMU legacy networking commands are used.
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:param legacy_networking: boolean
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"""
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if legacy_networking:
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log.info(f'QEMU VM "{self._name}" [{self._id}] has enabled legacy networking')
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else:
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log.info(f'QEMU VM "{self._name}" [{self._id}] has disabled legacy networking')
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self._legacy_networking = legacy_networking
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@property
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def replicate_network_connection_state(self):
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"""
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@ -2208,16 +2183,6 @@ class QemuVM(BaseNode):
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["-net", "none"]
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) # we do not want any user networking back-end if no adapter is connected.
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patched_qemu = False
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if self._legacy_networking:
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qemu_version = await self.manager.get_qemu_version(self.qemu_path)
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if qemu_version:
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if parse_version(qemu_version) >= parse_version("2.9.0"):
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raise QemuError("Qemu version 2.9.0 and later doesn't support legacy networking mode")
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if parse_version(qemu_version) < parse_version("1.1.0"):
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# this is a patched Qemu if version is below 1.1.0
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patched_qemu = True
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# Each 32 PCI device we need to add a PCI bridge with max 9 bridges
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pci_devices = 4 + len(self._ethernet_adapters) # 4 PCI devices are use by default by qemu
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pci_bridges = math.floor(pci_devices / 32)
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@ -2244,72 +2209,40 @@ class QemuVM(BaseNode):
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if custom_mac_address:
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mac = int_to_macaddress(macaddress_to_int(custom_mac_address))
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if self._legacy_networking:
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# legacy QEMU networking syntax (-net)
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if nio:
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network_options.extend(["-net", f"nic,vlan={adapter_number},macaddr={mac},model={adapter_type}"])
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if isinstance(nio, NIOUDP):
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if patched_qemu:
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# use patched Qemu syntax
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network_options.extend(
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[
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"-net",
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"udp,vlan={},name=gns3-{},sport={},dport={},daddr={}".format(
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adapter_number, adapter_number, nio.lport, nio.rport, nio.rhost
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),
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]
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)
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else:
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# use UDP tunnel support added in Qemu 1.1.0
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network_options.extend(
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[
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"-net",
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"socket,vlan={},name=gns3-{},udp={}:{},localaddr={}:{}".format(
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adapter_number, adapter_number, nio.rhost, nio.rport, "127.0.0.1", nio.lport
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),
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]
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)
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elif isinstance(nio, NIOTAP):
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network_options.extend(["-net", f"tap,name=gns3-{adapter_number},ifname={nio.tap_device}"])
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else:
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network_options.extend(["-net", f"nic,vlan={adapter_number},macaddr={mac},model={adapter_type}"])
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device_string = f"{adapter_type},mac={mac}"
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bridge_id = math.floor(pci_device_id / 32)
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if bridge_id > 0:
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if pci_bridges_created < bridge_id:
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network_options.extend(["-device", f"i82801b11-bridge,id=dmi_pci_bridge{bridge_id}"])
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network_options.extend(
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[
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"-device",
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"pci-bridge,id=pci-bridge{bridge_id},bus=dmi_pci_bridge{bridge_id},chassis_nr=0x1,addr=0x{bridge_id},shpc=off".format(
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bridge_id=bridge_id
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),
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]
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)
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pci_bridges_created += 1
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addr = pci_device_id % 32
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device_string = f"{device_string},bus=pci-bridge{bridge_id},addr=0x{addr:02x}"
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pci_device_id += 1
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if nio:
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network_options.extend(["-device", f"{device_string},netdev=gns3-{adapter_number}"])
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if isinstance(nio, NIOUDP):
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network_options.extend(
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[
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"-netdev",
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"socket,id=gns3-{},udp={}:{},localaddr={}:{}".format(
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adapter_number, nio.rhost, nio.rport, "127.0.0.1", nio.lport
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),
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]
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)
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elif isinstance(nio, NIOTAP):
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network_options.extend(
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["-netdev", f"tap,id=gns3-{adapter_number},ifname={nio.tap_device},script=no,downscript=no"]
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)
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else:
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# newer QEMU networking syntax
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device_string = f"{adapter_type},mac={mac}"
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bridge_id = math.floor(pci_device_id / 32)
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if bridge_id > 0:
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if pci_bridges_created < bridge_id:
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network_options.extend(["-device", f"i82801b11-bridge,id=dmi_pci_bridge{bridge_id}"])
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network_options.extend(
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[
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"-device",
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"pci-bridge,id=pci-bridge{bridge_id},bus=dmi_pci_bridge{bridge_id},chassis_nr=0x1,addr=0x{bridge_id},shpc=off".format(
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bridge_id=bridge_id
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),
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]
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)
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pci_bridges_created += 1
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addr = pci_device_id % 32
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device_string = f"{device_string},bus=pci-bridge{bridge_id},addr=0x{addr:02x}"
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pci_device_id += 1
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if nio:
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network_options.extend(["-device", f"{device_string},netdev=gns3-{adapter_number}"])
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if isinstance(nio, NIOUDP):
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network_options.extend(
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[
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"-netdev",
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"socket,id=gns3-{},udp={}:{},localaddr={}:{}".format(
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adapter_number, nio.rhost, nio.rport, "127.0.0.1", nio.lport
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),
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]
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)
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elif isinstance(nio, NIOTAP):
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network_options.extend(
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["-netdev", f"tap,id=gns3-{adapter_number},ifname={nio.tap_device},script=no,downscript=no"]
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)
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else:
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network_options.extend(["-device", device_string])
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network_options.extend(["-device", device_string])
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return network_options
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@ -201,7 +201,6 @@ class QemuTemplate(Template):
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kernel_image = Column(String)
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bios_image = Column(String)
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kernel_command_line = Column(String)
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legacy_networking = Column(Boolean)
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replicate_network_connection_state = Column(Boolean)
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create_config_disk = Column(Boolean)
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on_close = Column(String)
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@ -195,7 +195,6 @@ class QemuBase(BaseModel):
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mac_address: Optional[str] = Field(
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None, description="QEMU MAC address", regex="^([0-9a-fA-F]{2}[:]){5}([0-9a-fA-F]{2})$"
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)
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legacy_networking: Optional[bool] = Field(None, description="Use QEMU legagy networking commands (-net syntax)")
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replicate_network_connection_state: Optional[bool] = Field(
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None, description="Replicate the network connection state for links in Qemu"
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)
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@ -74,7 +74,6 @@ class QemuTemplate(TemplateBase):
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kernel_image: Optional[str] = Field("", description="QEMU kernel image path")
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bios_image: Optional[str] = Field("", description="QEMU bios image path")
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kernel_command_line: Optional[str] = Field("", description="QEMU kernel command line")
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legacy_networking: Optional[bool] = Field(False, description="Use QEMU legagy networking commands (-net syntax)")
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replicate_network_connection_state: Optional[bool] = Field(
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True, description="Replicate the network connection state for links in Qemu"
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)
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@ -748,7 +748,6 @@ class TestQemuTemplate:
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"initrd": "",
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"kernel_command_line": "",
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"kernel_image": "",
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"legacy_networking": False,
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"linked_clone": True,
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"mac_address": "",
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"name": "Qemu template",
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