[  824.709058][T14570] netdevsim netdevsim509 eni509np1: renamed from eth0
[  824.723689][T14572] netdevsim netdevsim546 eni546np1: renamed from eth1
[  825.448650][T14558] Could not find device with ifindex 2000 in netnsfd 11
[  825.449995][T14558] Could not find netns with fd: 2000
[  825.450658][T14558] Cannot link a netdevsim to itself
[  825.451412][T14558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).