[  482.128278] netdevsim netdevsim448 eni448np1: renamed from eth0
[  482.230120] netdevsim netdevsim669 eni669np1: renamed from eth1
[  482.619011] Could not find device with ifindex 2000 in netnsfd 11
[  482.619163] Could not find netns with fd: 2000
[  482.619252] Cannot link a netdevsim to itself
[  482.619370] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).