[  632.931198][ T9823] netdevsim netdevsim294 eni294np1: renamed from eth0
[  632.935868][ T9822] netdevsim netdevsim650 eni650np1: renamed from eth1
[  633.532529][ T9809] Could not find device with ifindex 2000 in netnsfd 11
[  633.533357][ T9809] Could not find netns with fd: 2000
[  633.533726][ T9809] Cannot link a netdevsim to itself
[  633.534182][ T9809] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).