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I finally figure it out. My problem here is my physical switch connected to the interface used for VM sets up a VLAN range which mismatches the vlan range I used when installing openstack:


Another possibility is iptable rules that prohibit icmp request and you need delete them:

# iptables-save | grep icmp
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited