[  488.829656] netdevsim netdevsim294 eni294np1: renamed from eth0
[  488.930478] netdevsim netdevsim555 eni555np1: renamed from eth1
[  489.319211] Could not find device with ifindex 2000 in netnsfd 11
[  489.319359] Could not find netns with fd: 2000
[  489.319434] Cannot link a netdevsim to itself
[  489.319532] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).