[  490.292397] netdevsim netdevsim622 eni622np1: renamed from eth1
[  490.393344] netdevsim netdevsim380 eni380np1: renamed from eth0
[  490.777565] Could not find device with ifindex 2000 in netnsfd 11
[  490.777743] Could not find netns with fd: 2000
[  490.777843] Cannot link a netdevsim to itself
[  490.777971] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).