I stopped the slave PostgreSQL
apply
mv recovery.conf recovery1.conf
Started PostgreSQL
Change pg_hba.conf added new IP
Now
mv recovery1.conf recovery.conf
STARTED Slave Postgresql
Now Error Showing on Slave
< 2016-08-11 18:16:36.409 IST >LOG: started streaming WAL from primary at 5/E1000000 on timeline 1
< 2016-08-11 18:16:36.409 IST >FATAL: could not receive data from WAL stream: ERROR: requested starting point 5/E1000000 is ahead of the WAL flush position of this server 5/E000EDD8
Error Showing on Master
< 2016-08-11 18:11:32.157 IST >LOG: replication connection authorized: user=repl
< 2016-08-11 18:11:32.214 IST >ERROR: requested starting point 5/E1000000 is ahead of the WAL flush position of this server 5/E0012708