[ 1324.829935][T12853] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1324.935844][T12854] netdevsim netdevsim709 eni709np1: renamed from eth1
[ 1327.643268][T12842] Could not find device with ifindex 2000 in netnsfd 11
[ 1327.646976][T12842] Could not find netns with fd: 2000
[ 1327.648552][T12842] Cannot link a netdevsim to itself
[ 1327.661405][T12842] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).