[  515.281185] netdevsim netdevsim567 eni567np1: renamed from eth1
[  515.378912] netdevsim netdevsim474 eni474np1: renamed from eth0
[  515.563621] Could not find device with ifindex 2000 in netnsfd 11
[  515.563772] Could not find netns with fd: 2000
[  515.563844] Cannot link a netdevsim to itself
[  515.563929] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).