[  811.442658][T14768] netdevsim netdevsim283 eni283np1: renamed from eth0
[  811.457418][T14770] netdevsim netdevsim723 eni723np1: renamed from eth1
[  812.090803][T14756] Could not find device with ifindex 2000 in netnsfd 11
[  812.091435][T14756] Could not find netns with fd: 2000
[  812.091932][T14756] Cannot link a netdevsim to itself
[  812.092469][T14756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).