[  885.995993][T14848] netdevsim netdevsim480 eni480np1: renamed from eth0
[  886.012549][T14850] netdevsim netdevsim753 eni753np1: renamed from eth1
[  886.854510][T14836] Could not find device with ifindex 2000 in netnsfd 11
[  886.855861][T14836] Could not find netns with fd: 2000
[  886.856538][T14836] Cannot link a netdevsim to itself
[  886.857341][T14836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).