IPv6/IPv4 Group Memberships
Interface       RefCnt Group
--------------- ------ ---------------------
lo              1      224.0.0.1
tap4a2851e3-ff  1      224.0.0.1
lo              1      ff02::1
lo              1      ff01::1
tap4a2851e3-ff  1      ff02::1:ff44:ca37
tap4a2851e3-ff  1      ff02::1
tap4a2851e3-ff  1      ff01::1
