[  883.656685][ T9609] netdevsim netdevsim332 eni332np1: renamed from eth0
[  883.780398][ T9489] netdevsim netdevsim636 eni636np1: renamed from eth1
[  885.574132][ T9655] Could not find device with ifindex 2000 in netnsfd 11
[  885.575157][ T9655] Could not find netns with fd: 2000
[  885.575843][ T9655] Cannot link a netdevsim to itself
[  885.576612][ T9655] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).