[  840.044933][T14778] netdevsim netdevsim412 eni412np1: renamed from eth0
[  840.064588][T14780] netdevsim netdevsim753 eni753np1: renamed from eth1
[  840.676580][T14766] Could not find device with ifindex 2000 in netnsfd 11
[  840.677428][T14766] Could not find netns with fd: 2000
[  840.677812][T14766] Cannot link a netdevsim to itself
[  840.678258][T14766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).