[  745.914812][T14452] netdevsim netdevsim271 eni271np1: renamed from eth0
[  745.930104][T14454] netdevsim netdevsim724 eni724np1: renamed from eth1
[  746.471761][T14440] Could not find device with ifindex 2000 in netnsfd 11
[  746.472264][T14440] Could not find netns with fd: 2000
[  746.472645][T14440] Cannot link a netdevsim to itself
[  746.473047][T14440] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).