[  485.509948] netdevsim netdevsim485 eni485np1: renamed from eth0
[  485.510500] netdevsim netdevsim570 eni570np1: renamed from eth1
[  485.599969] Could not find device with ifindex 2000 in netnsfd 11
[  485.600070] Could not find netns with fd: 2000
[  485.600114] Cannot link a netdevsim to itself
[  485.600165] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).