[  488.845297] netdevsim netdevsim682 eni682np1: renamed from eth1
[  488.942834] netdevsim netdevsim336 eni336np1: renamed from eth0
[  489.149369] Could not find device with ifindex 2000 in netnsfd 11
[  489.149668] Could not find netns with fd: 2000
[  489.149769] Cannot link a netdevsim to itself
[  489.149887] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).