I have executed the longer running omping which has 0% loss:
omping -c 600 -i 1 -q 10.200.1.20 10.200.1.21 10.200.1.22
10.200.1.20 : waiting for response msg
10.200.1.21 : waiting for response msg
10.200.1.20 : joined (S,G) = (*, 232.43.211.234), pinging
10.200.1.21 : joined (S,G) = (*...