EBBR.yaml: ignore false-positive network failures

Ignore a couple of network failures, which happen with edk2. Network
functions are allowed to return "unsupported" as EBBR does not require a
full implementation of the UEFI general purpose networking ABIs.
Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>

EBBR.yaml

@@ -1214,6 +1214,42 @@
   update:
     result: IGNORED
 
+- rule: Force false-positive simple network protocol failure as ignored.
+    A full implementation of the UEFI general purpose networking ABIs is not
+    required (EBBR Table 2.4 Notable Deviations from UEFI § 2.6.2)
+  criteria:
+    descr: Simple Network Protocol Test
+    group: NetworkSupportTest
+    guid: 6880BD92-7004-41B8-9E43-7B271FD9AC2B
+    log: Status - Unsupported
+    name: EFI_SIMPLE_NETWORK_PROTOCOL.MCastIpToMac - Invoke MCastIpToMac() when
+      network interface not start.
+    result: FAILURE
+    revision: '0x00010001'
+    set guid: D924B177-7E44-445D-92AA-5E15C0FD2E27
+    sub set: MCastIpToMac_Conf
+    test set: SimpleNetworkProtocolTest
+  update:
+    result: IGNORED
+
+- rule: Force false-positive simple network protocol failure (2) as ignored.
+    A full implementation of the UEFI general purpose networking ABIs is not
+    required (EBBR Table 2.4 Notable Deviations from UEFI § 2.6.2)
+  criteria:
+    descr: Simple Network Protocol Test
+    group: NetworkSupportTest
+    guid: 544B08C0-1D26-4462-9207-DD7EB754DC9E
+    log: Status - Unsupported, MAC address - 000000000000
+    name: EFI_SIMPLE_NETWORK_PROTOCOL.MCastIpToMac - Invoke MCastIpToMac() and
+      verify interface correctness within test case
+    result: FAILURE
+    revision: '0x00010001'
+    set guid: 3DE1C94C-4CBB-47C4-9407-0C0F20FA66E7
+    sub set: MCastIpToMac_Func
+    test set: SimpleNetworkProtocolTest
+  update:
+    result: IGNORED
+
 # We force the following dropped or skipped tests result as `IGNORED' because
 # they are run only when some platform features are present, which are not
 # mandated by EBBR.