[  455.520666] netdevsim netdevsim442 eni442np1: renamed from eth0
[  455.521714] netdevsim netdevsim636 eni636np1: renamed from eth1
[  455.605925] Could not find device with ifindex 2000 in netnsfd 11
[  455.606028] Could not find netns with fd: 2000
[  455.606077] Cannot link a netdevsim to itself
[  455.606129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).