[  455.926049] netdevsim netdevsim348 eni348np1: renamed from eth0
[  455.926920] netdevsim netdevsim591 eni591np1: renamed from eth1
[  456.018809] Could not find device with ifindex 2000 in netnsfd 11
[  456.018964] Could not find netns with fd: 2000
[  456.019086] Cannot link a netdevsim to itself
[  456.019213] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).