PING from node to VM passes, but PING from VM to gateway does not succeed

[houkai]

/etc/network/interfaces

auto lo
iface lo inet loopback

auto enp2s0
iface enp2s0 inet manual

auto vmbr0
iface vmbr0 inet static
        address 192.168.5.232/24
        gateway 192.168.5.1
        bridge-ports enp2s0
        bridge-stp off
        bridge-fd 0

source /etc/network/interfaces.d/*

5.232 : proxmox node
5.231 : proxmox vm

Ping from node to vm

root@raiden-ei:~# ping 192.168.5.231
PING 192.168.5.231 (192.168.5.231) 56(84) bytes of data.
64 bytes from 192.168.5.231: icmp_seq=1 ttl=64 time=0.185 ms

Ping from vm to node

root@vm:~# ping 192.168.5.232
PING 192.168.5.232 (192.168.5.232) 56(84) bytes of data.
64 bytes from 192.168.5.232: icmp_seq=1 ttl=64 time=0.185 ms

Ping from vm to gateway

root@vm:~# ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
113 packets transmitted, 0 recived 100% packet loss

 

[houkai]

All firewalls are disabled.