$ ping -DO example.com
PING example.com (1.2.3.4) 56(84) bytes of data.
[1607245572.629895] no answer yet for icmp_seq=1
[1607245573.653893] no answer yet for icmp_seq=2
[1607245574.677895] no answer yet for icmp_seq=3
[1607245575.701890] no answer yet for icmp_seq=4
[1607245576.725893] no answer yet for icmp_seq=5
[1607245577.749901] no answer yet for icmp_seq=6
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