[  517.455929] netdevsim netdevsim404 eni404np1: renamed from eth0
[  517.551705] netdevsim netdevsim733 eni733np1: renamed from eth1
[  517.815658] Could not find device with ifindex 2000 in netnsfd 11
[  517.815827] Could not find netns with fd: 2000
[  517.815898] Cannot link a netdevsim to itself
[  517.815999] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).