[  746.019956][T14577] netdevsim netdevsim403 eni403np1: renamed from eth0
[  746.047149][T14580] netdevsim netdevsim524 eni524np1: renamed from eth1
[  746.579939][T14565] Could not find device with ifindex 2000 in netnsfd 11
[  746.580456][T14565] Could not find netns with fd: 2000
[  746.580826][T14565] Cannot link a netdevsim to itself
[  746.581236][T14565] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).