[  483.308645] netdevsim netdevsim474 eni474np1: renamed from eth0
[  483.410305] netdevsim netdevsim607 eni607np1: renamed from eth1
[  483.768919] Could not find device with ifindex 2000 in netnsfd 11
[  483.769051] Could not find netns with fd: 2000
[  483.769120] Cannot link a netdevsim to itself
[  483.769202] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).