[  487.460053] netdevsim netdevsim614 eni614np1: renamed from eth1
[  487.556758] netdevsim netdevsim451 eni451np1: renamed from eth0
[  487.775630] Could not find device with ifindex 2000 in netnsfd 11
[  487.776010] Could not find netns with fd: 2000
[  487.776131] Cannot link a netdevsim to itself
[  487.776267] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).