[  484.202543] netdevsim netdevsim488 eni488np1: renamed from eth0
[  484.202760] netdevsim netdevsim546 eni546np1: renamed from eth1
[  484.301461] Could not find device with ifindex 2000 in netnsfd 11
[  484.301541] Could not find netns with fd: 2000
[  484.301584] Cannot link a netdevsim to itself
[  484.301635] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).