[  818.142973][T15659] netdevsim netdevsim444 eni444np1: renamed from eth0
[  818.150273][T15657] netdevsim netdevsim606 eni606np1: renamed from eth1
[  818.781198][T15645] Could not find device with ifindex 2000 in netnsfd 11
[  818.782265][T15645] Could not find netns with fd: 2000
[  818.782969][T15645] Cannot link a netdevsim to itself
[  818.783613][T15645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).