[  532.774628] netdevsim netdevsim575 eni575np1: renamed from eth1
[  532.871937] netdevsim netdevsim305 eni305np1: renamed from eth0
[  533.122837] Could not find device with ifindex 2000 in netnsfd 11
[  533.123002] Could not find netns with fd: 2000
[  533.123102] Cannot link a netdevsim to itself
[  533.123196] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).