[  539.083013] netdevsim netdevsim460 eni460np1: renamed from eth0
[  539.185393] netdevsim netdevsim661 eni661np1: renamed from eth1
[  539.569235] Could not find device with ifindex 2000 in netnsfd 11
[  539.569436] Could not find netns with fd: 2000
[  539.569533] Cannot link a netdevsim to itself
[  539.569658] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).