[  479.205314] netdevsim netdevsim283 eni283np1: renamed from eth0
[  479.205966] netdevsim netdevsim569 eni569np1: renamed from eth1
[  479.304353] Could not find device with ifindex 2000 in netnsfd 11
[  479.304525] Could not find netns with fd: 2000
[  479.304638] Cannot link a netdevsim to itself
[  479.304756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).