Docker Error - Service not Starting - Error initializing network controller

If docker daemon is not starting because of network bridge controller error. This solution can help you.

Error starting daemon: Error initializing network controller: could not delete the default bridge network: network bridge has active endpoints

Complete Error :
Starting Docker Application Container Engine...
level=info msg="[graphdriver] using prior storage driver \"aufs\""
level=info msg="Graph migration to content-addressability took 0.00 seconds"
level=info msg="Firewalld running: false"
level=fatal msg="Error starting daemon: Error initializing network controller: could not delete the default bridge network: network bridge has active endpoints"
Failed to start Docker Application Container Engine.
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