[  885.073183][ T9687] netdevsim netdevsim417 eni417np1: renamed from eth0
[  885.080692][ T9691] netdevsim netdevsim521 eni521np1: renamed from eth1
[  886.957688][ T9682] Could not find device with ifindex 2000 in netnsfd 11
[  886.958685][ T9682] Could not find netns with fd: 2000
[  886.959440][ T9682] Cannot link a netdevsim to itself
[  886.960207][ T9682] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).