The value of the object sdpBndMldSnpgGrpSrcAddr indicates
the address of the source sending multicast traffic to the group
identified by sdpBndMldSnpgGrpAddress.
If the value of sdpBndMldSnpgGrpFilterMode corresponding to this entry
is 'include(1)', the receivers are interested in receiving traffic from
this source.
If the value of sdpBndMldSnpgGrpFilterMode corresponding to this entry
is 'exclude(2)' the receivers, are not interested in receiving traffic
from this source.