IPv6/IPv4 Group Memberships
Interface       RefCnt Group
--------------- ------ ---------------------
lo              1      224.0.0.1
tapfec23d35-56  1      224.0.0.1
lo              1      ff02::1
lo              1      ff01::1
tapfec23d35-56  1      ff02::1:ffc6:3746
tapfec23d35-56  1      ff02::1
tapfec23d35-56  1      ff01::1
