[  522.289332] netdevsim netdevsim284 eni284np1: renamed from eth0
[  522.386275] netdevsim netdevsim536 eni536np1: renamed from eth1
[  522.624669] Could not find device with ifindex 2000 in netnsfd 11
[  522.624847] Could not find netns with fd: 2000
[  522.624933] Cannot link a netdevsim to itself
[  522.625062] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).