[  812.252428][T15667] netdevsim netdevsim450 eni450np1: renamed from eth0
[  812.272054][T15669] netdevsim netdevsim744 eni744np1: renamed from eth1
[  812.968780][T15654] Could not find device with ifindex 2000 in netnsfd 11
[  812.969335][T15654] Could not find netns with fd: 2000
[  812.969705][T15654] Cannot link a netdevsim to itself
[  812.970128][T15654] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).