[ 1276.525682][T12852] netdevsim netdevsim460 eni460np1: renamed from eth0
[ 1276.635355][T12853] netdevsim netdevsim750 eni750np1: renamed from eth1
[ 1279.292882][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1279.295198][T12839] Could not find netns with fd: 2000
[ 1279.296181][T12839] Cannot link a netdevsim to itself
[ 1279.310836][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).