[to@x280a linux-8.7.90]$ sudo tcpdump -ni miho-wifi0 -e port 67 or port 68 [sudo] password for to: tcpdump: verbose output suppressed, use -v[v]... for full protocol decode listening on miho-wifi0, link-type EN10MB (Ethernet), snapshot length 262144 bytes 15:21:41.600141 52:54:00:10:ca:ba > ff:ff:ff:ff:ff:ff, ethertype IPv4 (0x0800), length 342: 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 52:54:00:10:ca:ba, length 300 [to@x280a ~]$ sudo tcpdump -ni wlp59s0 -e port 67 or port 68 [sudo] password for to: tcpdump: verbose output suppressed, use -v[v]... for full protocol decode listening on wlp59s0, link-type EN10MB (Ethernet), snapshot length 262144 bytes