[  486.771220] netdevsim netdevsim413 eni413np1: renamed from eth0
[  486.873270] netdevsim netdevsim642 eni642np1: renamed from eth1
[  487.236807] Could not find device with ifindex 2000 in netnsfd 11
[  487.236962] Could not find netns with fd: 2000
[  487.237051] Cannot link a netdevsim to itself
[  487.237151] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).