[  455.945772] netdevsim netdevsim384 eni384np1: renamed from eth0
[  455.946798] netdevsim netdevsim556 eni556np1: renamed from eth1
[  456.036517] Could not find device with ifindex 2000 in netnsfd 11
[  456.036612] Could not find netns with fd: 2000
[  456.036658] Cannot link a netdevsim to itself
[  456.036721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).