[  752.898934][T14442] netdevsim netdevsim442 eni442np1: renamed from eth0
[  752.904187][T14441] netdevsim netdevsim639 eni639np1: renamed from eth1
[  753.694501][T14430] Could not find device with ifindex 2000 in netnsfd 11
[  753.695135][T14430] Could not find netns with fd: 2000
[  753.695766][T14430] Cannot link a netdevsim to itself
[  753.696904][T14430] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).