[  486.896537] netdevsim netdevsim333 eni333np1: renamed from eth0
[  486.998053] netdevsim netdevsim698 eni698np1: renamed from eth1
[  487.354600] Could not find device with ifindex 2000 in netnsfd 11
[  487.354746] Could not find netns with fd: 2000
[  487.354814] Cannot link a netdevsim to itself
[  487.354894] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).