[  522.759859] netdevsim netdevsim262 eni262np1: renamed from eth0
[  522.856326] netdevsim netdevsim711 eni711np1: renamed from eth1
[  523.126091] Could not find device with ifindex 2000 in netnsfd 11
[  523.126320] Could not find netns with fd: 2000
[  523.126430] Cannot link a netdevsim to itself
[  523.126572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).