[  817.422153][T15795] netdevsim netdevsim396 eni396np1: renamed from eth0
[  817.440141][T15797] netdevsim netdevsim600 eni600np1: renamed from eth1
[  818.066502][T15782] Could not find device with ifindex 2000 in netnsfd 11
[  818.067234][T15782] Could not find netns with fd: 2000
[  818.068049][T15782] Cannot link a netdevsim to itself
[  818.068869][T15782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).