cannot resolve host in VNET jail with RSS enabled

From: k simon <moremore2_at_outlook.com>
Date: Sun, 10 Apr 2022 05:25:25 UTC 
Hi,
   After kp@'s recently epair patch, I tried enable options RSS with 
Vnet jail, then found in these jail, 'ping 8.8.8.8' works as normal, and 
'drill google.com' works ok. But 'ping google.com' nor other command 
fails resolving the host.

Simon
20220410