[  478.712279] netdevsim netdevsim353 eni353np1: renamed from eth0
[  478.713305] netdevsim netdevsim753 eni753np1: renamed from eth0
[  478.806939] Could not find device with ifindex 2000 in netnsfd 11
[  478.807087] Could not find netns with fd: 2000
[  478.807188] Cannot link a netdevsim to itself
[  478.807302] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).