[  526.050593] netdevsim netdevsim479 eni479np1: renamed from eth0
[  526.147359] netdevsim netdevsim570 eni570np1: renamed from eth1
[  526.375451] Could not find device with ifindex 2000 in netnsfd 11
[  526.375636] Could not find netns with fd: 2000
[  526.375720] Cannot link a netdevsim to itself
[  526.375819] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).