[  435.926301] netdevsim netdevsim494 eni494np1: renamed from eth0
[  436.027652] netdevsim netdevsim727 eni727np1: renamed from eth1
[  436.393155] Could not find device with ifindex 2000 in netnsfd 11
[  436.393325] Could not find netns with fd: 2000
[  436.393425] Cannot link a netdevsim to itself
[  436.393558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).