[ 1299.467388][T13051] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1299.543595][T13048] netdevsim netdevsim532 eni532np1: renamed from eth1
[ 1302.261365][T13037] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.264124][T13037] Could not find netns with fd: 2000
[ 1302.265114][T13037] Cannot link a netdevsim to itself
[ 1302.266462][T13037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).