[  513.261867] netdevsim netdevsim725 eni725np1: renamed from eth1
[  513.359368] netdevsim netdevsim413 eni413np1: renamed from eth0
[  513.586427] Could not find device with ifindex 2000 in netnsfd 11
[  513.586619] Could not find netns with fd: 2000
[  513.586702] Cannot link a netdevsim to itself
[  513.586801] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).