[  483.127792] netdevsim netdevsim543 eni543np1: renamed from eth1
[  483.128091] netdevsim netdevsim390 eni390np1: renamed from eth0
[  483.236305] Could not find device with ifindex 2000 in netnsfd 11
[  483.236395] Could not find netns with fd: 2000
[  483.236441] Cannot link a netdevsim to itself
[  483.236494] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).