[  745.746859][T14440] netdevsim netdevsim501 eni501np1: renamed from eth0
[  745.762049][T14442] netdevsim netdevsim585 eni585np1: renamed from eth1
[  746.317698][T14428] Could not find device with ifindex 2000 in netnsfd 11
[  746.318239][T14428] Could not find netns with fd: 2000
[  746.318608][T14428] Cannot link a netdevsim to itself
[  746.319024][T14428] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).