[  648.725791][T10006] netdevsim netdevsim492 eni492np1: renamed from eth0
[  648.737295][T10005] netdevsim netdevsim704 eni704np1: renamed from eth1
[  649.362206][ T9994] Could not find device with ifindex 2000 in netnsfd 11
[  649.363151][ T9994] Could not find netns with fd: 2000
[  649.363597][ T9994] Cannot link a netdevsim to itself
[  649.364077][ T9994] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).