[  485.250068] netdevsim netdevsim476 eni476np1: renamed from eth0
[  485.251251] netdevsim netdevsim547 eni547np1: renamed from eth1
[  485.632636] Could not find device with ifindex 2000 in netnsfd 11
[  485.632762] Could not find netns with fd: 2000
[  485.632827] Cannot link a netdevsim to itself
[  485.632908] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).