[  456.388855] netdevsim netdevsim352 eni352np1: renamed from eth0
[  456.389464] netdevsim netdevsim676 eni676np1: renamed from eth1
[  456.480627] Could not find device with ifindex 2000 in netnsfd 11
[  456.480736] Could not find netns with fd: 2000
[  456.480781] Cannot link a netdevsim to itself
[  456.480831] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).