[  472.204977] netdevsim netdevsim416 eni416np1: renamed from eth0
[  472.205680] netdevsim netdevsim736 eni736np1: renamed from eth1
[  472.276218] Could not find device with ifindex 2000 in netnsfd 11
[  472.276309] Could not find netns with fd: 2000
[  472.276351] Cannot link a netdevsim to itself
[  472.276401] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).