[  719.683425][T13063] netdevsim netdevsim304 eni304np1: renamed from eth0
[  719.707881][T13065] netdevsim netdevsim732 eni732np1: renamed from eth1
[  720.325496][T13051] Could not find device with ifindex 2000 in netnsfd 11
[  720.326329][T13051] Could not find netns with fd: 2000
[  720.326708][T13051] Cannot link a netdevsim to itself
[  720.327281][T13051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).