[  764.172433][T14767] netdevsim netdevsim357 eni357np1: renamed from eth0
[  764.189609][T14769] netdevsim netdevsim521 eni521np1: renamed from eth1
[  764.738064][T14755] Could not find device with ifindex 2000 in netnsfd 11
[  764.738563][T14755] Could not find netns with fd: 2000
[  764.739134][T14755] Cannot link a netdevsim to itself
[  764.739539][T14755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).