Suppress a syslog event on a specific interface

'As you cannot suppress events via sub-entity (what you're extracting with Identifier Pattern, in this case "TenGigE0/1/1/7") I would suggest that you have two Event Policies; one with a lower Detection Weight that includes "TenGigE0/1/1/7" within one of the required matches and is marked for suppression against the particular device  and a second Event Policy with higher Detection Weight to match the remainder.

Ex. 

(PKT_INFRA-LINK-[35]+-[^\s])+(?=.*TenGigE0\/1\/1\/7)

In theory you could also choose to invert the approach by having an event policy that only matches if it doesn't contain certain text with a second event policy that catches all and suppresses against specific device(s), but depending on how many policies and devices you're managing that could change which approach makes more sense.