[  485.011365] netdevsim netdevsim457 eni457np1: renamed from eth0
[  485.113238] netdevsim netdevsim576 eni576np1: renamed from eth1
[  485.483165] Could not find device with ifindex 2000 in netnsfd 11
[  485.483324] Could not find netns with fd: 2000
[  485.483413] Cannot link a netdevsim to itself
[  485.483518] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).