[  853.044712][T15769] netdevsim netdevsim453 eni453np1: renamed from eth0
[  853.068525][T15768] netdevsim netdevsim732 eni732np1: renamed from eth1
[  853.746039][T15757] Could not find device with ifindex 2000 in netnsfd 11
[  853.746784][T15757] Could not find netns with fd: 2000
[  853.747354][T15757] Cannot link a netdevsim to itself
[  853.747984][T15757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).