[  473.557754] netdevsim netdevsim416 eni416np1: renamed from eth0
[  473.558370] netdevsim netdevsim533 eni533np1: renamed from eth1
[  473.640857] Could not find device with ifindex 2000 in netnsfd 11
[  473.640996] Could not find netns with fd: 2000
[  473.641098] Cannot link a netdevsim to itself
[  473.641220] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).