[  484.575096] netdevsim netdevsim436 eni436np1: renamed from eth0
[  484.575321] netdevsim netdevsim725 eni725np1: renamed from eth1
[  484.660607] Could not find device with ifindex 2000 in netnsfd 11
[  484.660716] Could not find netns with fd: 2000
[  484.660762] Cannot link a netdevsim to itself
[  484.660809] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).