P: /devices/virtual/net/virbr1-nic
E: DEVPATH=/devices/virtual/net/virbr1-nic
E: ID_MM_CANDIDATE=1
E: ID_NET_DRIVER=tun
E: ID_NET_LINK_FILE=/lib/systemd/network/99-default.link
E: IFINDEX=6
E: INTERFACE=virbr1-nic
E: SUBSYSTEM=net
E: SYSTEMD_ALIAS=/sys/subsystem/net/devices/virbr1-nic
E: SYSTEMD_WANTS=ifup@virbr1-nic.service
E: TAGS=:systemd:
E: USEC_INITIALIZED=279044519
X: INTERFACE_MAC=52:54:00:ef:59:eb