[  618.290038][ T9942] netdevsim netdevsim408 eni408np1: renamed from eth0
[  618.297539][ T9945] netdevsim netdevsim692 eni692np1: renamed from eth1
[  618.963498][ T9931] Could not find device with ifindex 2000 in netnsfd 11
[  618.964267][ T9931] Could not find netns with fd: 2000
[  618.965019][ T9931] Cannot link a netdevsim to itself
[  618.965738][ T9931] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).