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This leads to each process, > as it starts up, removing the telemetry socket of another process, > giving unexpected behaviour. > > This patch changes that behaviour to first check if the existing socket > is active. If not, it's an old socket to be cleaned up and can be > removed. If it is active, telemetry initialization fails and an error > message is printed out giving instructions on how to remove the error; > either by using file-prefix to have a different runtime dir (and > therefore socket path) or by disabling telemetry if it not needed. > > Fixes: 6dd571fd07c3 ("telemetry: introduce new functionality") > > Reported-by: David Marchand > Signed-off-by: Bruce Richardson > Acked-by: Ciara Power > --- Tested-by: Conor Walsh