[  482.903956] netdevsim netdevsim345 eni345np1: renamed from eth0
[  483.005572] netdevsim netdevsim688 eni688np1: renamed from eth1
[  483.355159] Could not find device with ifindex 2000 in netnsfd 11
[  483.355298] Could not find netns with fd: 2000
[  483.355366] Cannot link a netdevsim to itself
[  483.355452] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).