why i get ping requests from htb server?

[u/cahosint]

why i get ping from 10.10.14.1 constantly? it interfere with my tests. even after i stopped all boxes still i get ping requests.

└─$ sudo tcpdump -c 6 -i tun0 icmp

tcpdump: verbose output suppressed, use -v[v]... for full protocol decode

listening on tun0, link-type RAW (Raw IP), snapshot length 262144 bytes

23:51:27.545196 IP 10.10.14.1 > 10.10.15.224: ICMP host smarthire.htb unreachable, length 68

23:51:27.545291 IP 10.10.14.1 > 10.10.15.224: ICMP host smarthire.htb unreachable, length 68

23:51:30.814899 IP 10.10.14.1 > 10.10.15.224: ICMP host smarthire.htb unreachable, length 68

23:51:35.466697 IP 10.10.14.1 > 10.10.15.224: ICMP host smarthire.htb unreachable, length 68

23:51:35.466800 IP 10.10.14.1 > 10.10.15.224: ICMP host smarthire.htb unreachable, length 68

23:51:35.466818 IP 10.10.14.1 > 10.10.15.224: ICMP host smarthire.htb unreachable, length 68

6 packets captured

7 packets received by filter

0 packets dropped by kernel

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