ほー。
eri0 は、nemo (gld v3) compliant じゃないからかな？
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# dladm show-dev
eri0 link: unknown speed: 100 Mbps duplex: unknown
e1000g0 link: up speed: 100 Mbps duplex: full
e1000g1 link: up speed: 1000 Mbps duplex: full
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http://cvs.opensolaris.org/source/search?q=dladm&defs=&refs=&path=&hist=
