[  481.162607] netdevsim netdevsim389 eni389np1: renamed from eth0
[  481.263826] netdevsim netdevsim539 eni539np1: renamed from eth1
[  481.552491] Could not find device with ifindex 2000 in netnsfd 11
[  481.552634] Could not find netns with fd: 2000
[  481.552711] Cannot link a netdevsim to itself
[  481.552805] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).