[  474.382173] netdevsim netdevsim423 eni423np1: renamed from eth0
[  474.382898] netdevsim netdevsim574 eni574np1: renamed from eth1
[  474.477296] Could not find device with ifindex 2000 in netnsfd 11
[  474.477404] Could not find netns with fd: 2000
[  474.477451] Cannot link a netdevsim to itself
[  474.477507] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).