[  483.449982] netdevsim netdevsim452 eni452np1: renamed from eth0
[  483.450419] netdevsim netdevsim588 eni588np1: renamed from eth1
[  483.536937] Could not find device with ifindex 2000 in netnsfd 11
[  483.537076] Could not find netns with fd: 2000
[  483.537198] Cannot link a netdevsim to itself
[  483.537321] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).