[  511.412749] netdevsim netdevsim352 eni352np1: renamed from eth0
[  511.510192] netdevsim netdevsim545 eni545np1: renamed from eth1
[  511.727115] Could not find device with ifindex 2000 in netnsfd 11
[  511.727315] Could not find netns with fd: 2000
[  511.727417] Cannot link a netdevsim to itself
[  511.727548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).