[  477.212714] netdevsim netdevsim316 eni316np1: renamed from eth0
[  477.213234] netdevsim netdevsim537 eni537np1: renamed from eth1
[  477.297305] Could not find device with ifindex 2000 in netnsfd 11
[  477.297388] Could not find netns with fd: 2000
[  477.297428] Cannot link a netdevsim to itself
[  477.297475] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).