[  485.982659] netdevsim netdevsim574 eni574np1: renamed from eth1
[  486.079691] netdevsim netdevsim408 eni408np1: renamed from eth0
[  486.276794] Could not find device with ifindex 2000 in netnsfd 11
[  486.277110] Could not find netns with fd: 2000
[  486.277257] Cannot link a netdevsim to itself
[  486.277416] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).