[ 1242.934528][T12613] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1242.997534][T12611] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1245.767503][T12601] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.770975][T12601] Could not find netns with fd: 2000
[ 1245.772464][T12601] Cannot link a netdevsim to itself
[ 1245.774429][T12601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).