[  489.328314] netdevsim netdevsim532 eni532np1: renamed from eth1
[  489.425128] netdevsim netdevsim292 eni292np1: renamed from eth0
[  489.649999] Could not find device with ifindex 2000 in netnsfd 11
[  489.650287] Could not find netns with fd: 2000
[  489.650379] Cannot link a netdevsim to itself
[  489.650480] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).