[  486.623607] netdevsim netdevsim413 eni413np1: renamed from eth0
[  486.724183] netdevsim netdevsim519 eni519np1: renamed from eth1
[  487.089627] Could not find device with ifindex 2000 in netnsfd 11
[  487.089761] Could not find netns with fd: 2000
[  487.089903] Cannot link a netdevsim to itself
[  487.090000] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).