[  481.129797] netdevsim netdevsim313 eni313np1: renamed from eth0
[  481.230334] netdevsim netdevsim572 eni572np1: renamed from eth1
[  481.570943] Could not find device with ifindex 2000 in netnsfd 11
[  481.571096] Could not find netns with fd: 2000
[  481.571179] Cannot link a netdevsim to itself
[  481.571289] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).