[  820.812788][T14606] netdevsim netdevsim386 eni386np1: renamed from eth0
[  820.824335][T14608] netdevsim netdevsim697 eni697np1: renamed from eth1
[  821.449508][T14594] Could not find device with ifindex 2000 in netnsfd 11
[  821.450045][T14594] Could not find netns with fd: 2000
[  821.450770][T14594] Cannot link a netdevsim to itself
[  821.451214][T14594] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).