IPv6/IPv4 Group Memberships
Interface       RefCnt Group
--------------- ------ ---------------------
lo              1      224.0.0.1
eth0            1      224.0.0.251
eth0            1      224.0.0.1
lo              1      ff02::1
eth0            1      ff02::fb
eth0            1      ff02::1:ff99:d33
eth0            1      ff02::1
