[ 1293.923299][T12845] netdevsim netdevsim411 eni411np1: renamed from eth0
[ 1293.983957][T12843] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1296.576265][T12833] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.578237][T12833] Could not find netns with fd: 2000
[ 1296.579952][T12833] Cannot link a netdevsim to itself
[ 1296.581554][T12833] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).