This is the type of output you will see with random packet loss.
branch1#ping 172.16.99.10 ingress lo 15 repeat 5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.99.10, timeout is 2 seconds:
Packet sent with a source address of 172.16.55.10
!..!!
Success rate is 60 percent (3/5), round-trip min/avg/max = 1/3/4 ms
