[  474.765244] netdevsim netdevsim267 eni267np1: renamed from eth0
[  474.766037] netdevsim netdevsim528 eni528np1: renamed from eth1
[  474.858178] Could not find device with ifindex 2000 in netnsfd 11
[  474.858267] Could not find netns with fd: 2000
[  474.858308] Cannot link a netdevsim to itself
[  474.858355] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).