[  755.022568][T14626] netdevsim netdevsim440 eni440np1: renamed from eth0
[  755.040409][T14628] netdevsim netdevsim621 eni621np1: renamed from eth1
[  755.593786][T14614] Could not find device with ifindex 2000 in netnsfd 11
[  755.594407][T14614] Could not find netns with fd: 2000
[  755.600549][T14614] Cannot link a netdevsim to itself
[  755.601095][T14614] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).