[ 6339.984655] Running test [R:12679795 T:31 - Networking tunnel: permtest - Kernel: 6.0.0-rc7] 
[ 6340.345841] tun: Universal TUN/TAP device driver, 1.6 
[ 6340.638534] IPv6: ADDRCONF(NETDEV_CHANGE): tun_a: link becomes ready 
[ 6340.765021] IPv6: ADDRCONF(NETDEV_CHANGE): tap_a: link becomes ready