[  551.967789] netdevsim netdevsim555 eni555np1: renamed from eth1
[  552.064805] netdevsim netdevsim347 eni347np1: renamed from eth0
[  552.328116] Could not find device with ifindex 2000 in netnsfd 11
[  552.328346] Could not find netns with fd: 2000
[  552.328462] Cannot link a netdevsim to itself
[  552.328584] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).