[  486.856891] netdevsim netdevsim741 eni741np1: renamed from eth1
[  486.954398] netdevsim netdevsim388 eni388np1: renamed from eth0
[  487.165643] Could not find device with ifindex 2000 in netnsfd 11
[  487.165869] Could not find netns with fd: 2000
[  487.165982] Cannot link a netdevsim to itself
[  487.166115] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).