[  514.065677] netdevsim netdevsim416 eni416np1: renamed from eth0
[  514.164036] netdevsim netdevsim752 eni752np1: renamed from eth1
[  514.371225] Could not find device with ifindex 2000 in netnsfd 11
[  514.371395] Could not find netns with fd: 2000
[  514.371484] Cannot link a netdevsim to itself
[  514.371587] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).