[  493.659186] netdevsim netdevsim682 eni682np1: renamed from eth1
[  493.755754] netdevsim netdevsim409 eni409np1: renamed from eth0
[  493.980695] Could not find device with ifindex 2000 in netnsfd 11
[  493.980963] Could not find netns with fd: 2000
[  493.981033] Cannot link a netdevsim to itself
[  493.981120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).