[  488.854548] netdevsim netdevsim535 eni535np1: renamed from eth1
[  488.951024] netdevsim netdevsim349 eni349np1: renamed from eth0
[  489.158814] Could not find device with ifindex 2000 in netnsfd 11
[  489.159086] Could not find netns with fd: 2000
[  489.159158] Cannot link a netdevsim to itself
[  489.159244] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).