[  488.095314] netdevsim netdevsim674 eni674np1: renamed from eth1
[  488.191026] netdevsim netdevsim295 eni295np1: renamed from eth0
[  488.451960] Could not find device with ifindex 2000 in netnsfd 11
[  488.452252] Could not find netns with fd: 2000
[  488.452335] Cannot link a netdevsim to itself
[  488.452460] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).