[  488.556857] netdevsim netdevsim489 eni489np1: renamed from eth0
[  488.657390] netdevsim netdevsim655 eni655np1: renamed from eth1
[  488.998962] Could not find device with ifindex 2000 in netnsfd 11
[  488.999086] Could not find netns with fd: 2000
[  488.999149] Cannot link a netdevsim to itself
[  488.999233] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).