[  522.497144] netdevsim netdevsim459 eni459np1: renamed from eth0
[  522.594972] netdevsim netdevsim762 eni762np1: renamed from eth1
[  522.833798] Could not find device with ifindex 2000 in netnsfd 11
[  522.834024] Could not find netns with fd: 2000
[  522.834101] Cannot link a netdevsim to itself
[  522.834230] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).