Cassandra is not up if there is 3 worker node. Requires 4 or more worker nodes to be up

[arunnvrs]

Cassandra Pod is in pending state

error : Warning FailedScheduling 17m (x39 over 133m) default-scheduler 0/4 nodes are available: 1 node(s) had untolerated taint {node-role.kubernetes.io/control-plane: }, 3 node(s) didn't have free ports for the requested pod ports. preemption: 0/4 nodes are available: 1 Preemption is not helpful for scheduling, 3 No preemption victims found for incoming pod