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+## NetworkMonitor test
+
+These instructions are only for Linux.
+
+Run the network-monitor integrated test binary, e.g.:
+```
+./build/tests/integrated/network-monitor
+```
+Note: sudo is not required.
+
+You should see an `onInterfaceAdded` message for each ethernet and loopback
+network interface present on the system, followed by an `onAddressAdded`
+message for each IPv4/IPv6 address on each interface. Finally,
+`onEnumerationCompleted` is printed, along with a summary of all interfaces
+discovered thus far.
+
+[The following commands assume eth0 is the name of an ethernet interface
+on the machine. If your interfaces are named differently, replace eth0
+with the name of any ethernet interface that you have available.]
+
+Command | Expected output
+--------|----------------
+sudo ip link add link eth0 name nmtest0 type vlan id 42 | `nmtest0: onInterfaceAdded`
+sudo ip link set dev nmtest0 mtu 1342 | `nmtest0: onMtuChanged <old_mtu> -> 1342` (`old_mtu` is most likely 1500)
+sudo ip link set dev nmtest0 up | `nmtest0: onStateChanged down -> <new_state>` (`new_state` is one of: running, dormant, no-carrier)
+sudo ip address add 198.51.100.100/24 dev nmtest0 | `nmtest0: onAddressAdded 198.51.100.100/24`
+sudo ip address del 198.51.100.100/24 dev nmtest0 | `nmtest0: onAddressRemoved 198.51.100.100/24`
+sudo ip address add 2001:db8::1/80 dev nmtest0 | `nmtest0: onAddressAdded 2001:db8::1/80`
+sudo ip address del 2001:db8::1/80 dev nmtest0 | `nmtest0: onAddressRemoved 2001:db8::1/80`
+sudo ip link delete dev nmtest0 | `nmtest0: onInterfaceRemoved`
+
+If you unplug the ethernet cable from your network card, you should see:
+```
+eth0: onStateChanged running -> no-carrier
+nmtest0: onStateChanged running -> no-carrier
+```
+
+Plugging the cable back in should produce the following messages:
+```
+eth0: onStateChanged no-carrier -> running
+nmtest0: onStateChanged no-carrier -> running
+```