[  811.080049][T14776] netdevsim netdevsim271 eni271np1: renamed from eth0
[  811.091919][T14778] netdevsim netdevsim528 eni528np1: renamed from eth1
[  811.718701][T14764] Could not find device with ifindex 2000 in netnsfd 11
[  811.719618][T14764] Could not find netns with fd: 2000
[  811.720012][T14764] Cannot link a netdevsim to itself
[  811.720477][T14764] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).