[  488.962861] netdevsim netdevsim375 eni375np1: renamed from eth0
[  489.059980] netdevsim netdevsim720 eni720np1: renamed from eth1
[  489.270103] Could not find device with ifindex 2000 in netnsfd 11
[  489.270437] Could not find netns with fd: 2000
[  489.270511] Cannot link a netdevsim to itself
[  489.270598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).