[  487.294844] netdevsim netdevsim482 eni482np1: renamed from eth0
[  487.396207] netdevsim netdevsim728 eni728np1: renamed from eth1
[  487.726255] Could not find device with ifindex 2000 in netnsfd 11
[  487.726418] Could not find netns with fd: 2000
[  487.726520] Cannot link a netdevsim to itself
[  487.726635] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).