Hi, well, it isn't just "fe80::1", it is any IPv6 address which will be rejected if not called with "-6". I run bisect:
> git bisect start > # good: [50b8a842e8c098cddb213f5b3076526df88826e8] v4.15.0 > git bisect good 50b8a842e8c098cddb213f5b3076526df88826e8 > # bad: [4b6c4177ee66421770f0bbcc765c29135e44d921] v4.16.0 > git bisect bad 4b6c4177ee66421770f0bbcc765c29135e44d921 > # bad: [5f4892e2c8d4fb22118713e0c83290b352fe0e34] rdma: Make visible the > number of arguments > git bisect bad 5f4892e2c8d4fb22118713e0c83290b352fe0e34 > # good: [8c75f69411bc8c3affe5d173afcf981d15f5da15] Merge branch 'master' into > net-next > git bisect good 8c75f69411bc8c3affe5d173afcf981d15f5da15 > # bad: [27c523e209ab956ff269afec68c6e744e7f5edb6] utils: Introduce > get_addr_rta() and inet_addr_match_rta() > git bisect bad 27c523e209ab956ff269afec68c6e744e7f5edb6 > # bad: [d0bcedd549566a87354aa804df3be6be80681ee9] tc: introduce > tc_qdisc_block_exists helper > git bisect bad d0bcedd549566a87354aa804df3be6be80681ee9 > # bad: [6c4b672738acf680ee98c10e79a52a8dede5f9a6] iplink_geneve: Get rid of > inet_get_addr() > git bisect bad 6c4b672738acf680ee98c10e79a52a8dede5f9a6 > # bad: [93fa12418dc6f5943692250244be303bb162175b] utils: Always specify > family and ->bytelen in get_prefix_1() > git bisect bad 93fa12418dc6f5943692250244be303bb162175b > # good: [f2522007d8fee924cb098b4afc8af16f2b25829f] utils: Always specify > family for address in get_addr_1() > git bisect good f2522007d8fee924cb098b4afc8af16f2b25829f > # first bad commit: [93fa12418dc6f5943692250244be303bb162175b] utils: Always > specify family and ->bytelen in get_prefix_1() > From 93fa12418dc6f5943692250244be303bb162175b Mon Sep 17 00:00:00 2001 > From: Serhey Popovych > Date: Thu, 18 Jan 2018 20:13:43 +0200 > Subject: utils: Always specify family and ->bytelen in get_prefix_1() > > Handle default/all/any special case in get_addr_1() to setup > ->family and ->bytelen correctly. > > Make get_addr_1() return ->bitlen == -2 instead of -1 to > distinguish default/all/any special case from the rest: > it is safe because all callers check ->bitlen < 0, not > explicit value -1. > > Reduce intendation by one level and get rid of goto/label > to make code more readable. > > Signed-off-by: Serhey Popovych > Signed-off-by: David Ahern https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=93fa12418dc6f5943692250244be303bb162175b So was this an intended behavior change? I.e. this will require updates for various user space tools/network configuration scripts which are relying on ip utilities feature to auto-detect inet family which was "supported" (at least working) until 4.16.0... -- Regards, Thomas Deutschmann / Gentoo Linux Developer C4DD 695F A713 8F24 2AA1 5638 5849 7EE5 1D5D 74A5
