[ 1218.711297][T11139] netdevsim netdevsim507 eni507np1: renamed from eth0
[ 1218.785288][T11138] netdevsim netdevsim589 eni589np1: renamed from eth1
[ 1222.129716][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.130501][T11131] Could not find netns with fd: 2000
[ 1222.131120][T11131] Cannot link a netdevsim to itself
[ 1222.131851][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).