[  766.258077][T14748] netdevsim netdevsim317 eni317np1: renamed from eth0
[  766.280884][T14750] netdevsim netdevsim553 eni553np1: renamed from eth1
[  766.891258][T14736] Could not find device with ifindex 2000 in netnsfd 11
[  766.891903][T14736] Could not find netns with fd: 2000
[  766.892399][T14736] Cannot link a netdevsim to itself
[  766.892976][T14736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).