[ 1050.844618][T12751] netdevsim netdevsim567 eni567np1: renamed from eth1
[ 1050.944735][T12755] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1052.772800][T12747] Could not find device with ifindex 2000 in netnsfd 11
[ 1052.773813][T12747] Could not find netns with fd: 2000
[ 1052.774506][T12747] Cannot link a netdevsim to itself
[ 1052.775258][T12747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).