[  623.113971][ T9786] netdevsim netdevsim362 eni362np1: renamed from eth0
[  623.121018][ T9789] netdevsim netdevsim522 eni522np1: renamed from eth1
[  623.913560][ T9775] Could not find device with ifindex 2000 in netnsfd 11
[  623.914138][ T9775] Could not find netns with fd: 2000
[  623.914576][ T9775] Cannot link a netdevsim to itself
[  623.915097][ T9775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).