def find_se_interfaces_for_tn_interface(se_links, tn_interface):
se_interfaces_match = set()
for se_link in se_links:
#if tn_interface in se_link.get("component_id"):
se_link_interfaces = [ FormatUtils.clean_tn_stp_cid(iface.get("component_id")) for iface in se_link.get("interface_ref") ]
# Checks:
# 1. TN interface is connected to some SE interface
# 2. Same authority for both (e.g. control AIST/AIST2 DC case)
if tn_interface in se_link_interfaces \
and OrgUtils.check_auth_alt_se_in_mappings(se_link_interfaces):
se_link_interfaces = [ FormatUtils.clean_tn_stp_cid(iface.get("component_id")) for iface in se_link.get("interface_ref") ]
# Remove link interface that matches with the passed TN interface
se_link_interfaces.pop(se_link_interfaces.index(tn_interface))
se_interfaces_match.add(se_link_interfaces[0])
# Convert from set to tuple to avoid unhashable problems later on
return tuple(se_interfaces_match)
