libteam: fix team_is_ifinfo_changed() to return true if master changes

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
libteam: add support for IFLA_PHYS_PORT_ID

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
teamd: change sriov support to more general physical port check support

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
teamd: add support for checking multiple ports IFLA_PHYS_PORT_ID

Signed-off-by: Jiri Pirko <jiri@resnulli.us>