[  474.619983] netdevsim netdevsim599 eni599np1: renamed from eth1
[  474.620500] netdevsim netdevsim376 eni376np1: renamed from eth0
[  474.702105] Could not find device with ifindex 2000 in netnsfd 11
[  474.702194] Could not find netns with fd: 2000
[  474.702238] Cannot link a netdevsim to itself
[  474.702290] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).