This object is used to control the attachment of policies to dynamic
interfaces configured by the profile identified by
usdPolicyAttachProfileId, usdPolicyAttachProfileForwardingType and
usdPolicyAttachProfilePolicyType.
Attach a policy by setting this value to the ID of the policy.
Remove a policy attachment by setting this value to zero.
This object may be modified while the row is active. Changes made to a
row in this table do not take effect until the profile is applied.