[  531.289273] netdevsim netdevsim483 eni483np1: renamed from eth0
[  531.386085] netdevsim netdevsim569 eni569np1: renamed from eth1
[  531.643509] Could not find device with ifindex 2000 in netnsfd 11
[  531.643766] Could not find netns with fd: 2000
[  531.643862] Cannot link a netdevsim to itself
[  531.644038] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).