[  481.826346] netdevsim netdevsim277 eni277np1: renamed from eth0
[  481.927411] netdevsim netdevsim619 eni619np1: renamed from eth1
[  482.251432] Could not find device with ifindex 2000 in netnsfd 11
[  482.251618] Could not find netns with fd: 2000
[  482.251716] Cannot link a netdevsim to itself
[  482.251852] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).