[  476.291138] netdevsim netdevsim741 eni741np1: renamed from eth1
[  476.291338] netdevsim netdevsim294 eni294np1: renamed from eth0
[  476.383094] Could not find device with ifindex 2000 in netnsfd 11
[  476.383246] Could not find netns with fd: 2000
[  476.383347] Cannot link a netdevsim to itself
[  476.383457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).