[  489.699491] netdevsim netdevsim410 eni410np1: renamed from eth0
[  489.700092] netdevsim netdevsim752 eni752np1: renamed from eth1
[  489.789538] Could not find device with ifindex 2000 in netnsfd 11
[  489.789658] Could not find netns with fd: 2000
[  489.789705] Cannot link a netdevsim to itself
[  489.789758] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).