[  799.568354][T14584] netdevsim netdevsim437 eni437np1: renamed from eth0
[  799.587543][T14586] netdevsim netdevsim632 eni632np1: renamed from eth1
[  800.320034][T14572] Could not find device with ifindex 2000 in netnsfd 11
[  800.320613][T14572] Could not find netns with fd: 2000
[  800.320980][T14572] Cannot link a netdevsim to itself
[  800.321445][T14572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).