I tried 3 different devices (a docker PTF provided by sonic-buildimage, an Ubuntu server and a switch) to send out DHCPDISCOVER packet but all got bad udp checksums in syslog. I'm sure all ...
Some devices can't get IP address via DHCP if routable loopback (self) is enabled. Mon Sep 4 15:32:50 2017 daemon.info dnsmasq-dhcp[3358]: DHCPDISCOVER(br-lan) 192.168.90.115 xx:xx:xx:xx:xx:xx Mon Sep ...