[  455.290837] netdevsim netdevsim305 eni305np1: renamed from eth0
[  455.291388] netdevsim netdevsim596 eni596np1: renamed from eth1
[  455.391328] Could not find device with ifindex 2000 in netnsfd 11
[  455.391430] Could not find netns with fd: 2000
[  455.391475] Cannot link a netdevsim to itself
[  455.391528] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).