[  487.157989] netdevsim netdevsim416 eni416np1: renamed from eth0
[  487.158499] netdevsim netdevsim546 eni546np1: renamed from eth1
[  487.264660] Could not find device with ifindex 2000 in netnsfd 11
[  487.264758] Could not find netns with fd: 2000
[  487.264809] Cannot link a netdevsim to itself
[  487.264860] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).