[  487.503772] netdevsim netdevsim485 eni485np1: renamed from eth0
[  487.605691] netdevsim netdevsim671 eni671np1: renamed from eth1
[  487.911914] Could not find device with ifindex 2000 in netnsfd 11
[  487.912054] Could not find netns with fd: 2000
[  487.912132] Cannot link a netdevsim to itself
[  487.912224] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).