#ping 172.15.0.1

PING 172.15.0.1 (172.15.0.1) 56(84) bytes of data.
From 172.15.0.2 icmp_seq=1 Destination Host Unreachable
From 172.15.0.2 icmp_seq=2 Destination Host Unreachable
From 172.15.0.2 icmp_seq=3 Destination Host Unreachable
From 172.15.0.2 icmp_seq=5 Destination Host Unreachable
From 172.15.0.2 icmp_seq=6 Destination Host Unreachable
From 172.15.0.2 icmp_seq=7 Destination Host Unreachable
From 172.15.0.2 icmp_seq=9 Destination Host Unreachable
From 172.15.0.2 icmp_seq=10 Destination Host Unreachable
From 172.15.0.2 icmp_seq=11 Destination Host Unreachable
From 172.15.0.2 icmp_seq=13 Destination Host Unreachable
From 172.15.0.2 icmp_seq=14 Destination Host Unreachable
From 172.15.0.2 icmp_seq=15 Destination Host Unreachable
From 172.15.0.2 icmp_seq=17 Destination Host Unreachable
From 172.15.0.2 icmp_seq=18 Destination Host Unreachable
From 172.15.0.2 icmp_seq=19 Destination Host Unreachable
From 172.15.0.2 icmp_seq=21 Destination Host Unreachable
From 172.15.0.2 icmp_seq=22 Destination Host Unreachable
From 172.15.0.2 icmp_seq=23 Destination Host Unreachable
From 172.15.0.2 icmp_seq=25 Destination Host Unreachable
From 172.15.0.2 icmp_seq=26 Destination Host Unreachable
From 172.15.0.2 icmp_seq=27 Destination Host Unreachable
From 172.15.0.2 icmp_seq=29 Destination Host Unreachable
From 172.15.0.2 icmp_seq=30 Destination Host Unreachable
From 172.15.0.2 icmp_seq=31 Destination Host Unreachable
^C
--- 172.15.0.1 ping statistics ---
32 packets transmitted, 0 received, +24 errors, 100% packet loss, time 31049ms
, pipe 3