[  509.714309] netdevsim netdevsim330 eni330np1: renamed from eth0
[  509.811896] netdevsim netdevsim733 eni733np1: renamed from eth1
[  510.041230] Could not find device with ifindex 2000 in netnsfd 11
[  510.041434] Could not find netns with fd: 2000
[  510.041538] Cannot link a netdevsim to itself
[  510.041670] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).