tcpdump:
https://paste.centos.org/view/97dbe828
tcpdump command 
tcpdump -i 224 > tcpdump-224.txt
dropped privs to tcpdump
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on 224, link-type EN10MB (Ethernet), snapshot length 262144 bytes
tcpdump: pcap_loop: The interface disappeared
147 packets captured
148 packets received by filter
0 packets dropped by kernel
[root@amdf ~]# cat tcpdump-224.txt
nmcli command
nmcli con up vl224c
Error: Connection activation failed: IP configuration could not be reserved (no available address, timeout, etc.)
Hint: use 'journalctl -xe NM_CONNECTION=7458097f-09a3-4479-be52-f078cda7c3be + NM_DEVICE=224' to get more details.
journalctl -fu NetworkManager
$ Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.3913] agent-manager: agent[5dfedee47b82fa05,:1.333/nmcli-connect/0]: agent registered
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.3944] device (224): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.3954] device (224): carrier: link connected
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.3969] device (224): state change: unavailable -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.3990] device (224): Activation: starting connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.3996] audit: op="connection-activate" uuid="7458097f-09a3-4479-be52-f078cda7c3be" name="vl224c" pid=7531 uid=0 result="success"
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.4006] device (224): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.4021] device (224): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.4250] device (224): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:32:25 NetworkManager[6084]: <info> [1624253545.4256] dhcp4 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:32:26 NetworkManager[6084]: <info> [1624253546.8106] dhcp6 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:32:26 NetworkManager[6084]: <warn> [1624253546.8132] dhcp6 (224): unhandled event -42
Jun 21 13:33:11 NetworkManager[6084]: <warn> [1624253591.0616] dhcp4 (224): request timed out
Jun 21 13:33:11 NetworkManager[6084]: <info> [1624253591.0617] dhcp4 (224): state changed unknown -> timeout
Jun 21 13:33:12 NetworkManager[6084]: <warn> [1624253592.0622] dhcp6 (224): request timed out
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0623] dhcp6 (224): state changed unknown -> timeout
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0624] device (224): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <warn> [1624253592.0651] device (224): Activation: failed for connection 'vl224c'
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0658] device (224): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0829] dhcp4 (224): canceled DHCP transaction
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0831] dhcp4 (224): state changed timeout -> terminated
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0835] dhcp6 (224): canceled DHCP transaction
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.0835] dhcp6 (224): state changed timeout -> terminated
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1172] device (224): state change: disconnected -> unmanaged (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1185] policy: auto-activating connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1228] device (224): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1266] device (224): carrier: link connected
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1295] device (224): state change: unavailable -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1323] device (224): Activation: starting connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1346] device (224): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1362] device (224): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1535] device (224): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:12 NetworkManager[6084]: <info> [1624253592.1542] dhcp4 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:33:13 NetworkManager[6084]: <info> [1624253593.6284] dhcp6 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:33:13 NetworkManager[6084]: <warn> [1624253593.6314] dhcp6 (224): unhandled event -42
Jun 21 13:33:57 NetworkManager[6084]: <warn> [1624253637.0746] dhcp4 (224): request timed out
Jun 21 13:33:57 NetworkManager[6084]: <info> [1624253637.0747] dhcp4 (224): state changed unknown -> timeout
Jun 21 13:33:59 NetworkManager[6084]: <warn> [1624253639.0630] dhcp6 (224): request timed out
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0630] dhcp6 (224): state changed unknown -> timeout
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0631] device (224): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <warn> [1624253639.0656] device (224): Activation: failed for connection 'vl224c'
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0663] device (224): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0850] dhcp4 (224): canceled DHCP transaction
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0850] dhcp4 (224): state changed timeout -> terminated
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0854] dhcp6 (224): canceled DHCP transaction
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.0854] dhcp6 (224): state changed timeout -> terminated
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1060] device (224): state change: disconnected -> unmanaged (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1071] policy: auto-activating connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1125] device (224): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1161] device (224): carrier: link connected
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1179] device (224): state change: unavailable -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1203] device (224): Activation: starting connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1207] device (224): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1215] device (224): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1535] device (224): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:33:59 NetworkManager[6084]: <info> [1624253639.1543] dhcp4 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:34:00 NetworkManager[6084]: <info> [1624253640.9136] dhcp6 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:34:00 NetworkManager[6084]: <warn> [1624253640.9158] dhcp6 (224): unhandled event -42
Jun 21 13:34:44 NetworkManager[6084]: <warn> [1624253684.0666] dhcp4 (224): request timed out
Jun 21 13:34:44 NetworkManager[6084]: <info> [1624253684.0667] dhcp4 (224): state changed unknown -> timeout
Jun 21 13:34:46 NetworkManager[6084]: <warn> [1624253686.0631] dhcp6 (224): request timed out
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0632] dhcp6 (224): state changed unknown -> timeout
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0633] device (224): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <warn> [1624253686.0659] device (224): Activation: failed for connection 'vl224c'
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0666] device (224): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0800] dhcp4 (224): canceled DHCP transaction
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0800] dhcp4 (224): state changed timeout -> terminated
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0803] dhcp6 (224): canceled DHCP transaction
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0804] dhcp6 (224): state changed timeout -> terminated
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.0989] device (224): state change: disconnected -> unmanaged (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1003] policy: auto-activating connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1067] device (224): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1107] device (224): carrier: link connected
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1130] device (224): state change: unavailable -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1221] device (224): Activation: starting connection 'vl224c' (7458097f-09a3-4479-be52-f078cda7c3be)
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1225] device (224): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1279] device (224): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1420] device (224): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Jun 21 13:34:46 NetworkManager[6084]: <info> [1624253686.1424] dhcp4 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:34:47 NetworkManager[6084]: <info> [1624253687.9738] dhcp6 (224): activation: beginning transaction (timeout in 45 seconds)
Jun 21 13:34:47 NetworkManager[6084]: <warn> [1624253687.9771] dhcp6 (224): unhandled event -42
Jun 21 13:35:31 NetworkManager[6084]: <warn> [1624253731.0751] dhcp4 (224): request timed out
Jun 21 13:35:31 NetworkManager[6084]: <info> [1624253731.0752] dhcp4 (224): state changed unknown -> timeout
Jun 21 13:35:33 NetworkManager[6084]: <warn> [1624253733.0635] dhcp6 (224): request timed out
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0636] dhcp6 (224): state changed unknown -> timeout
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0637] device (224): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed')
Jun 21 13:35:33 NetworkManager[6084]: <warn> [1624253733.0663] device (224): Activation: failed for connection 'vl224c'
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0670] device (224): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0819] dhcp4 (224): canceled DHCP transaction
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0820] dhcp4 (224): state changed timeout -> terminated
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0823] dhcp6 (224): canceled DHCP transaction
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.0823] dhcp6 (224): state changed timeout -> terminated
Jun 21 13:35:33 NetworkManager[6084]: <info> [1624253733.1011] device (224): state change: disconnected -> unmanaged (reason 'user-requested', sys-iface-state: 'managed')