[ 1025.465672][T12581] netdevsim netdevsim507 eni507np1: renamed from eth0
[ 1025.561387][T12582] netdevsim netdevsim556 eni556np1: renamed from eth1
[ 1027.489890][T12574] Could not find device with ifindex 2000 in netnsfd 11
[ 1027.490962][T12574] Could not find netns with fd: 2000
[ 1027.492011][T12574] Cannot link a netdevsim to itself
[ 1027.492825][T12574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).