[ 1048.641707][T12753] netdevsim netdevsim660 eni660np1: renamed from eth1
[ 1048.759144][T12752] netdevsim netdevsim487 eni487np1: renamed from eth0
[ 1050.732259][T12746] Could not find device with ifindex 2000 in netnsfd 11
[ 1050.733288][T12746] Could not find netns with fd: 2000
[ 1050.733988][T12746] Cannot link a netdevsim to itself
[ 1050.734828][T12746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).