[  456.288137] netdevsim netdevsim476 eni476np1: renamed from eth0
[  456.288927] netdevsim netdevsim569 eni569np1: renamed from eth1
[  456.382714] Could not find device with ifindex 2000 in netnsfd 11
[  456.382877] Could not find netns with fd: 2000
[  456.382993] Cannot link a netdevsim to itself
[  456.383116] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).