nmap --script broadcast-dhcp-discover
nmap --script broadcast-dhcp-discover -p67 [your network CIDR]
+++++++++++++++++++++++++++++++++++++++++
[root@localhost ~]# ifconfig
enp13s0: flags=4163
tcpdump -i enp13s0 -nev udp port 68
tcpdump -i enp13s0 -nev udp src port 67 and not ether host a8:39:44:96:fa:b8
tcpdump -U -i enp13s0 -c 100 -nev udp src port 67 and not ether host a8:39:44:96:fa:b8 >> /tmp/rogue 2>&1 &
dhclient -x
dhclient