[  521.725838] netdevsim netdevsim590 eni590np1: renamed from eth1
[  521.821899] netdevsim netdevsim443 eni443np1: renamed from eth0
[  522.056691] Could not find device with ifindex 2000 in netnsfd 11
[  522.056888] Could not find netns with fd: 2000
[  522.057009] Cannot link a netdevsim to itself
[  522.057111] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).