[  488.592695] netdevsim netdevsim419 eni419np1: renamed from eth0
[  488.688224] netdevsim netdevsim660 eni660np1: renamed from eth1
[  488.927666] Could not find device with ifindex 2000 in netnsfd 11
[  488.927968] Could not find netns with fd: 2000
[  488.928070] Cannot link a netdevsim to itself
[  488.928181] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).