Unable to mount the NFS share and getting error `mount.nfs: address already in use`.

Issue

• Not able to mount the NFS share and getting below error:

mount.nfs: trying text-based options 'timeo=100,retrans=4,soft,intr,bg,nfsvers=3,rsize=32768,wsize=32768,proto=tcp,addr=10.0.0.1'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying 10.0.0.1 prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=6
mount.nfs: trying 10.0.0.1 prog 100005 vers 3 prot TCP port 2052
mount.nfs: mount(2): Address already in use
mount.nfs: Address already in use

• Fail to mount NFS share.