[ 1287.036167][T12884] netdevsim netdevsim508 eni508np1: renamed from eth0
[ 1287.159060][T12882] netdevsim netdevsim570 eni570np1: renamed from eth1
[ 1289.990272][T12872] Could not find device with ifindex 2000 in netnsfd 11
[ 1289.992216][T12872] Could not find netns with fd: 2000
[ 1289.993735][T12872] Cannot link a netdevsim to itself
[ 1289.995651][T12872] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).