[  528.214180] netdevsim netdevsim632 eni632np1: renamed from eth1
[  528.310442] netdevsim netdevsim389 eni389np1: renamed from eth0
[  528.558973] Could not find device with ifindex 2000 in netnsfd 11
[  528.559189] Could not find netns with fd: 2000
[  528.559301] Cannot link a netdevsim to itself
[  528.559407] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).