[  511.677954] netdevsim netdevsim726 eni726np1: renamed from eth1
[  511.775011] netdevsim netdevsim352 eni352np1: renamed from eth0
[  512.025983] Could not find device with ifindex 2000 in netnsfd 11
[  512.026167] Could not find netns with fd: 2000
[  512.026243] Cannot link a netdevsim to itself
[  512.026331] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).