worked guest network, but not work ping from guest

[yason]

Hi. I have Proxmox 4.2, Im deploy wv centos (use nat). Centos work, network work. But Im not have answer from ping ya.ru

Spoiler: centos console output

[user@centos ~]$ wget ya.ru
--2016-08-26 11:01:23-- http://ya.ru/
Resolving ya.ru (ya.ru)... 213.180.204.3, 93.158.134.3, 213.180.193.3, ...
Connecting to ya.ru (ya.ru)|213.180.204.3|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://ya.ru/ [following]
--2016-08-26 11:01:23-- https://ya.ru/
Connecting to ya.ru (ya.ru)|213.180.204.3|:443... connected.
HTTP request sent, awaiting response... 200 Ok
Length: 9571 (9.3K) [text/html]
Saving to: ‘index.html’

100%[======================================>] 9,571 --.-K/s in 0.02s

2016-08-26 11:01:23 (394 KB/s) - ‘index.html’ saved [9571/9571]

[user@centos ~]$ ping ya.ru
PING ya.ru (93.158.134.3) 56(84) bytes of data.
^C
--- ya.ru ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 2999ms

Spoiler: ifcfg eth0 centos

[root@centos ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
TYPE="Ethernet"
BOOTPROTO="dhcp"
DEFROUTE="yes"
PEERDNS="yes"
PEERROUTES="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_PEERDNS="yes"
IPV6_PEERROUTES="yes"
IPV6_FAILURE_FATAL="no"
NAME="eth0"
UUID="4a4492d4-5c56-47ef-ad76-a6c0e7d0ca03"
DEVICE="eth0"
ONBOOT="yes"

Spoiler: ifcfg-eth0-proxmox

root@ev-v:~# cat /etc/network/interfaces
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage part of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!

source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback

iface eth0 inet manual

auto vmbr0
iface vmbr0 inet static
address 192.168.8.237
netmask 255.255.255.0
gateway 192.168.8.1
bridge_ports eth0
bridge_stp off
bridge_fd 0

can you help my repair ping?

 

[manu]

did you block incoming/outgoing ICMP traffic ?

 

[yason]

i not configure firewoll