[  492.130594] netdevsim netdevsim727 eni727np1: renamed from eth1
[  492.226909] netdevsim netdevsim372 eni372np1: renamed from eth0
[  492.461634] Could not find device with ifindex 2000 in netnsfd 11
[  492.461960] Could not find netns with fd: 2000
[  492.462040] Cannot link a netdevsim to itself
[  492.462137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).