[  488.324615] netdevsim netdevsim333 eni333np1: renamed from eth0
[  488.426999] netdevsim netdevsim573 eni573np1: renamed from eth1
[  488.778101] Could not find device with ifindex 2000 in netnsfd 11
[  488.778245] Could not find netns with fd: 2000
[  488.778320] Cannot link a netdevsim to itself
[  488.778420] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).