[  819.512704][T15841] netdevsim netdevsim368 eni368np1: renamed from eth0
[  819.532759][T15843] netdevsim netdevsim610 eni610np1: renamed from eth1
[  820.116600][T15830] Could not find device with ifindex 2000 in netnsfd 11
[  820.117241][T15830] Could not find netns with fd: 2000
[  820.117726][T15830] Cannot link a netdevsim to itself
[  820.118214][T15830] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).