The netlink-connector interface

The netlink-connector interface allows communication through the kernel Netlink connector.

See also netlink-driver and netlink-audit.

Interface documentation:
See Interface management and Supported interfaces for further details on how interfaces are used.


Developer details

Auto-connect: no

As NETLINK_CONNECTOR is not finely mediated and app-specific, use of this interface allows communications via all Netlink connectors. See Kernel connector (on kernel.org) for further details.

Requires snapd version 2.26+.

Code examples

The snap of the usbtop kernel module, used to monitor the bandwidth of USB buses and devices, uses the netlink-audit interface:
https://github.com/ogra1/usbtop/blob/master/snap/snapcraft.yaml

The source code for this interface is in the snapd repository:
https://github.com/snapcore/snapd/blob/master/interfaces/builtin/netlink_connector.go

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