Many articles says you hosting administrator should to do this:

vzctl set CTID –capability setuid:on –save
vzctl set CTID –capability net_admin:on –save
vzctl set CTID –capability net_raw:on –save

where CTID is your server ID number

but if you provider don’t want to do this, you can try this:

nohup /usr/sbin/dnsmasq &