Vpn ping-restart error

‘’’
2023-10-13 19:51:00 Preserving previous TUN/TAP instance: tun0
2023-10-13 19:51:00 Initialization Sequence Completed
2023-10-13 19:51:00 Data Channel: cipher ‘AES-256-CBC’, auth ‘SHA256’, peer-id: 1, compression: ‘lzo’
2023-10-13 19:51:00 Timers: ping 10, ping-restart 120
‘’’

nmap 10.10.10.3 -p- --min-rate 8000 -T4
Starting Nmap 7.93 ( https://nmap.org ) at 2023-10-13 20:05 EDT
Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
Nmap done: 1 IP address (0 hosts up) scanned in 1.06 seconds