[  763.528111][T14584] netdevsim netdevsim415 eni415np1: renamed from eth0
[  763.557791][T14586] netdevsim netdevsim593 eni593np1: renamed from eth1
[  764.243690][T14572] Could not find device with ifindex 2000 in netnsfd 11
[  764.244375][T14572] Could not find netns with fd: 2000
[  764.244774][T14572] Cannot link a netdevsim to itself
[  764.245211][T14572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).