[  520.341869] netdevsim netdevsim282 eni282np1: renamed from eth0
[  520.438694] netdevsim netdevsim681 eni681np1: renamed from eth1
[  520.660718] Could not find device with ifindex 2000 in netnsfd 11
[  520.660894] Could not find netns with fd: 2000
[  520.660999] Cannot link a netdevsim to itself
[  520.661114] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).