[  485.081714] netdevsim netdevsim497 eni497np1: renamed from eth0
[  485.178994] netdevsim netdevsim595 eni595np1: renamed from eth1
[  485.394254] Could not find device with ifindex 2000 in netnsfd 11
[  485.394425] Could not find netns with fd: 2000
[  485.394509] Cannot link a netdevsim to itself
[  485.394612] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).