1if-updown 2 Verify the IPv4/IPv6 connectivity is not broken when ip/ifconfig 3 command ups, then downs an interface many times 4 5if4-addr-change 6 Verify the IPv4 connectivity is not broken when ifconfig 7 command changes address many times 8 9if-addr-adddel 10 Verify the IPv4/IPv6 connectivity is not broken when ip/ifconfig adds, 11 then deletes an IPv4 alias many times 12 13if-addr-addlarge 14 Verify the IPv4/IPv6 connectivity is not broken when ip/ifconifg 15 creates many addresses. 16 17if-route-adddel 18 Verify the IPv4/IPv6 connectivity is not broken when the ip/route adds, 19 then and deletes an IPv4/IPv6 route many times 20 21if-mtu-change 22 Verify the IPv4/IPv6 connectivity is not broken when ip/ifconfig 23 changes MTU many times every 5 seconds 24