Verify >1 local interface works with isself

Create a second loopback interface with IP address 127.0.0.2. Start mongod with bindip of 127.0.0.1 on default port as part of replset "rs1" Start mongod with bindip of 127.0.0.2 on default port as part of replset "rs1" Run rs.initiate() with a config containing both hosts. Expected behavior is successful initiation and correctly behaving replica set. Suspected actual behavior: uassert with code 13278, maybe 13279.