[  509.900330] netdevsim netdevsim265 eni265np1: renamed from eth0
[  509.997954] netdevsim netdevsim584 eni584np1: renamed from eth1
[  510.204864] Could not find device with ifindex 2000 in netnsfd 11
[  510.205062] Could not find netns with fd: 2000
[  510.205136] Cannot link a netdevsim to itself
[  510.205227] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).