[  471.476694] netdevsim netdevsim542 eni542np1: renamed from eth1
[  471.476936] netdevsim netdevsim324 eni324np1: renamed from eth0
[  471.556182] Could not find device with ifindex 2000 in netnsfd 11
[  471.556262] Could not find netns with fd: 2000
[  471.556305] Cannot link a netdevsim to itself
[  471.556351] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).