[ 1317.888965][T11270] netdevsim netdevsim692 eni692np1: renamed from eth1 [ 1317.985782][T11271] netdevsim netdevsim367 eni367np1: renamed from eth0 [ 1321.587631][T11263] Could not find device with ifindex 2000 in netnsfd 11 [ 1321.588533][T11263] Could not find netns with fd: 2000 [ 1321.589133][T11263] Cannot link a netdevsim to itself [ 1321.589881][T11263] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).