OpenWrt 22.03.0-rc1 r19302-df622768da after sysupgrade not able to Ping the router MT7621

I am trying to install OpenWrt 22.03.0-rc1 r19302-df622768da on my MT7621 Board works well, but if use sysupgrade to upgrade same firmeare using sysupgrade -n -v not able to ping the router IP address after sysupgrade finish, but if restart the router manually able to ping the router and it works well, I will be greatful if anyone can help for the same

There are stable versions of 22.03.

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