[ 1221.245456][T11139] netdevsim netdevsim446 eni446np1: renamed from eth0
[ 1221.254331][T11137] netdevsim netdevsim618 eni618np1: renamed from eth1
[ 1224.704080][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.704772][T11131] Could not find netns with fd: 2000
[ 1224.705342][T11131] Cannot link a netdevsim to itself
[ 1224.705981][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).