[  750.355055][T14551] netdevsim netdevsim477 eni477np1: renamed from eth0
[  750.368554][T14550] netdevsim netdevsim590 eni590np1: renamed from eth1
[  750.899075][T14539] Could not find device with ifindex 2000 in netnsfd 11
[  750.899588][T14539] Could not find netns with fd: 2000
[  750.899932][T14539] Cannot link a netdevsim to itself
[  750.900346][T14539] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).