[  519.839881] netdevsim netdevsim317 eni317np1: renamed from eth0
[  519.937151] netdevsim netdevsim527 eni527np1: renamed from eth1
[  520.162376] Could not find device with ifindex 2000 in netnsfd 11
[  520.162526] Could not find netns with fd: 2000
[  520.162600] Cannot link a netdevsim to itself
[  520.162688] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).