# tcpdump -vv -i enp0s25
tcpdump: listening on enp0s25, link-type EN10MB (Ethernet), capture size 262144 bytes
14:18:47.907933 IP (tos 0x0, ttl 64, id 57017, offset 0, flags [DF], proto UDP (17), length 55)
    m2.cln.mvdev0.local.8685 > 10.0.1.254.domain: [bad udp cksum 0x1734 -> 0x8041!] 40089+ A? google.de. (27)
14:18:47.908530 IP (tos 0x0, ttl 64, id 57018, offset 0, flags [DF], proto UDP (17), length 69)
    m2.cln.mvdev0.local.47659 > 10.0.1.254.domain: [bad udp cksum 0x1742 -> 0xcd21!] 42749+ PTR? 254.1.0.10.in-addr.arpa. (41)
14:18:47.912737 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has m2.cln.mvdev0.local tell 10.0.1.254, length 46
14:18:47.912752 ARP, Ethernet (len 6), IPv4 (len 4), Reply m2.cln.mvdev0.local is-at 00:21:5a:78:6d:5e (oui Unknown), length 28
14:18:47.913283 IP (tos 0x0, ttl 62, id 428, offset 0, flags [none], proto UDP (17), length 69)
    10.0.1.254.domain > m2.cln.mvdev0.local.47659: [udp sum ok] 42749 NXDomain* q: PTR? 254.1.0.10.in-addr.arpa. 0/0/0 (41)
14:18:47.922220 IP (tos 0x0, ttl 63, id 429, offset 0, flags [none], proto UDP (17), length 71)
    10.0.1.254.domain > m2.cln.mvdev0.local.8685: [udp sum ok] 40089 q: A? google.de. 1/0/0 google.de. A 216.58.213.195 (43)
14:18:48.526718 IP (tos 0x0, ttl 1, id 9330, offset 0, flags [DF], proto UDP (17), length 122)
    m2.cln.mvdev0.local.44540 > 239.255.255.250.1900: [bad udp cksum 0xfb73 -> 0x8be3!] UDP, length 94
14:18:48.526975 IP (tos 0x0, ttl 64, id 57153, offset 0, flags [DF], proto UDP (17), length 74)
    m2.cln.mvdev0.local.48383 > 10.0.1.254.domain: [bad udp cksum 0x1747 -> 0xbca7!] 31421+ PTR? 250.255.255.239.in-addr.arpa. (46)
14:18:48.528854 IP (tos 0x0, ttl 63, id 430, offset 0, flags [none], proto UDP (17), length 74)
    10.0.1.254.domain > m2.cln.mvdev0.local.48383: [udp sum ok] 31421 NXDomain* q: PTR? 250.255.255.239.in-addr.arpa. 0/0/0 (46)
^[[A^C
9 packets captured
9 packets received by filter
0 packets dropped by kernel