[  768.532034][T14749] netdevsim netdevsim310 eni310np1: renamed from eth0
[  768.543949][T14751] netdevsim netdevsim558 eni558np1: renamed from eth1
[  769.130741][T14737] Could not find device with ifindex 2000 in netnsfd 11
[  769.131245][T14737] Could not find netns with fd: 2000
[  769.131604][T14737] Cannot link a netdevsim to itself
[  769.132001][T14737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).