[  456.511213] netdevsim netdevsim413 eni413np1: renamed from eth0
[  456.511612] netdevsim netdevsim607 eni607np1: renamed from eth1
[  456.604893] Could not find device with ifindex 2000 in netnsfd 11
[  456.605032] Could not find netns with fd: 2000
[  456.605083] Cannot link a netdevsim to itself
[  456.605137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).