[  485.505258] netdevsim netdevsim275 eni275np1: renamed from eth0
[  485.506002] netdevsim netdevsim566 eni566np1: renamed from eth1
[  485.602575] Could not find device with ifindex 2000 in netnsfd 11
[  485.602675] Could not find netns with fd: 2000
[  485.602720] Cannot link a netdevsim to itself
[  485.602774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).