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pass with only non-exist router since following error

while udsp doesn't support add --src and --rte at the same time

[root@trevis-88vm4 lutf]# lnetctl udsp add --src 10.240.43.83@tcp --rte 10.240.43.80@tcp

add:

    - udsp:

          errno: -1

          descr: "The combination of src, dst and rte is not supported"

• Configure single local network with two NIDs on the network 
• Configure two routers/gateways each providing access to a remote network
• Configure remote peer to have access to the remote network with two NIDs
• Add UDSP rule that designates a pair of a router that doesn't exist and a local network as preferred
• Start traffic
• Stop traffic
• Verify that both routers were used

• Configure single local network with two NIDs on the network 
• Configure two routers/gateways each providing access to a remote network
• Configure remote peer to have access to the remote network with two NIDs
• Add UDSP rule that designates a pair of a router and a local network that doesn't exist as preferred
• Start traffic
• Stop traffic
• Verify that both routers were used

• Configure single local network with two NIDs on the network 
• Configure two routers/gateways each providing access to a remote network
• Configure remote peer to have access to the remote network with two NIDs
• Add UDSP rule that designates a pair of a router that doesn't exist and a remote peer NID as preferred
• Add UDSP rule that gives the same remote peer NID highest priority
• Start traffic
• Stop traffic
• Verify that the all peer NIDs and both routers were used

• Configure single local network with two NIDs on the network 
• Configure two routers/gateways each providing access to a remote network
• Configure remote peer to have access to the remote network with two NIDs
• Add UDSP rule that designates a pair of a router and a peerB NID as preferred
• Start traffic
• Verify that the preferred router was used
• Bring down the preferred router
• Verify that the remaining router was used
• Stop traffic