MFC r199413:   It seems generation of link state change of e1000phy(4) is not   reliable on some Marvell PHYs. If msk(4) know it still does not   have established link check whether msk(4) missed the link state   change by looking into polled link state.
MFC r199413:
  It seems generation of link state change of e1000phy(4) is not
  reliable on some Marvell PHYs. If msk(4) know it still does not
  have established link check whether msk(4) missed the link state
  change by looking into polled link state.

  Reported by:	Mel Flynn < mel.flynn+fbsd.current <> mailing.thruhere dot net >,
		Gleb Kurtsou <gleb.kurtsou <> gmail dot com >
  Tested by:	Gleb Kurtsou <gleb.kurtsou <> gmail dot com >

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