[  494.068298] netdevsim netdevsim443 eni443np1: renamed from eth0
[  494.164974] netdevsim netdevsim706 eni706np1: renamed from eth1
[  494.401496] Could not find device with ifindex 2000 in netnsfd 11
[  494.401847] Could not find netns with fd: 2000
[  494.401930] Cannot link a netdevsim to itself
[  494.402031] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).