[  755.409538][T14439] netdevsim netdevsim390 eni390np1: renamed from eth0
[  755.424816][T14441] netdevsim netdevsim558 eni558np1: renamed from eth1
[  755.989732][T14427] Could not find device with ifindex 2000 in netnsfd 11
[  755.990247][T14427] Could not find netns with fd: 2000
[  755.990599][T14427] Cannot link a netdevsim to itself
[  755.991128][T14427] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).