[  488.229776] netdevsim netdevsim625 eni625np1: renamed from eth1
[  488.325443] netdevsim netdevsim319 eni319np1: renamed from eth0
[  488.542406] Could not find device with ifindex 2000 in netnsfd 11
[  488.542903] Could not find netns with fd: 2000
[  488.543040] Cannot link a netdevsim to itself
[  488.543165] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).