Today I realized that `dhcpcd` has been logging several hundred thousand of these messages every second: libudev: received NULL device This was causing both `dhcpcd` and `systemd-journald` to consume 100% CPU. I am not entirely sure what a "device management" module is in the context of `dhcpcd`, but it does not seem to be required. Setting the `nodev` option in `dhcpcd.conf` suppresses the messages, and seems to have no effect on the operation of the daemon. |
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