[ 1231.352351][T12781] netdevsim netdevsim391 eni391np1: renamed from eth0
[ 1231.377656][T12778] netdevsim netdevsim708 eni708np1: renamed from eth1
[ 1233.914581][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.916309][T12773] Could not find netns with fd: 2000
[ 1233.917850][T12773] Cannot link a netdevsim to itself
[ 1233.919659][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).