[  484.759555] netdevsim netdevsim467 eni467np1: renamed from eth0
[  484.760071] netdevsim netdevsim738 eni738np1: renamed from eth1
[  484.852116] Could not find device with ifindex 2000 in netnsfd 11
[  484.852219] Could not find netns with fd: 2000
[  484.852267] Cannot link a netdevsim to itself
[  484.852326] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).