#!/bin/bash
VIP="192.168.32.5"
IFVIP="${VIP}/20"
INTERFACE="eth01"

ip addr del $IFVIP dev $INTERFACE 2>/dev/null
ip neigh flush all
logger "Keepalived: DHCP is back, rejoining as MASTER."
sed -i "s|STATUS=.*|STATUS=BACKUP|g" /etc/keepalived/keepalived_dhcpd.txt
systemctl    stop    dhcpd4