[  488.827718] netdevsim netdevsim289 eni289np1: renamed from eth0
[  488.828409] netdevsim netdevsim541 eni541np1: renamed from eth1
[  488.916858] Could not find device with ifindex 2000 in netnsfd 11
[  488.916948] Could not find netns with fd: 2000
[  488.916998] Cannot link a netdevsim to itself
[  488.917051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).