mcast4-pktfld01
	Verify that the kernel is not crashed when joining a IPv4 multicast
	group a single socket, then receiving a large number of UDP packets
	at the socket

mcast4-pktfld02
	Verify that the kernel is not crashed when joining plural IPv4
	multicast groups on separate sockets, then receiving a large number
	of UDP packets at the each socket

mcast6-pktfld01
	Verify that the kernel is not crashed when joining a IPv6 multicast
	group a single socket, then receiving a large number of UDP packets
	at the socket

mcast6-pktfld02
	Verify that the kernel is not crashed when joining plural IPv6
	multicast groups on separate sockets, then receiving a large number
	of UDP packets at the each socket