current policy route-map just allow to one ext-community . it should allow a list as 1.4 :
error :
```
set policy route-map default-test rule 100 action 'permit'
set policy route-map default-test rule 100 set extcommunity-rt '65050:10010 65050:10020'
Should be in form: ASN:NN or IPADDR:NN where ASN is autonomous system number
Value validation failed
Set failed
```