[  455.762710] netdevsim netdevsim286 eni286np1: renamed from eth0
[  455.763436] netdevsim netdevsim547 eni547np1: renamed from eth1
[  455.855914] Could not find device with ifindex 2000 in netnsfd 11
[  455.856025] Could not find netns with fd: 2000
[  455.856079] Cannot link a netdevsim to itself
[  455.856139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).