[  491.222199] netdevsim netdevsim554 eni554np1: renamed from eth1
[  491.318013] netdevsim netdevsim316 eni316np1: renamed from eth0
[  491.580246] Could not find device with ifindex 2000 in netnsfd 11
[  491.580434] Could not find netns with fd: 2000
[  491.580529] Cannot link a netdevsim to itself
[  491.580636] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).