[  817.162759][T15763] netdevsim netdevsim503 eni503np1: renamed from eth0
[  817.177746][T15761] netdevsim netdevsim698 eni698np1: renamed from eth1
[  817.794287][T15750] Could not find device with ifindex 2000 in netnsfd 11
[  817.794928][T15750] Could not find netns with fd: 2000
[  817.795377][T15750] Cannot link a netdevsim to itself
[  817.796282][T15750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).