[  817.844295][T15856] netdevsim netdevsim353 eni353np1: renamed from eth0
[  817.856262][T15855] netdevsim netdevsim624 eni624np1: renamed from eth1
[  818.463320][T15843] Could not find device with ifindex 2000 in netnsfd 11
[  818.464062][T15843] Could not find netns with fd: 2000
[  818.464612][T15843] Cannot link a netdevsim to itself
[  818.465260][T15843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).