[  526.568524] netdevsim netdevsim569 eni569np1: renamed from eth1
[  526.665881] netdevsim netdevsim348 eni348np1: renamed from eth0
[  526.918301] Could not find device with ifindex 2000 in netnsfd 11
[  526.918559] Could not find netns with fd: 2000
[  526.918654] Cannot link a netdevsim to itself
[  526.918753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).