(i failed to contact the authors of bonding code so i post in the lkml. CC me in reply)
tinc vpn interface cannot be added to bond0, and dmesg says: Warning: The first slave device specified does not support setting the MAC address and yes, the tun device indeed is not ether based tun device because tinc is running in router mode # cat /proc/version Linux version 3.14.7 (xuefer@gentoo) (gcc version 4.8.0 (OpenWrt GCC 4.8.0 r41227) ) #17 SMP Fri Jun 20 21:26:49 CST 2014 # dmesg [413007.454543] bonding: bond0: Adding slave vpn3. [413007.454640] bonding: bond0: Warning: The first slave device specified does not support setting the MAC address. [413007.522291] bonding: bond0: Adding slave vpn2. [413007.522300] bonding: bond0: Warning: The first slave device specified does not support setting the MAC address. [413007.555482] bonding: bond0: Adding slave vpn1. [413007.555492] bonding: bond0: Warning: The first slave device specified does not support setting the MAC address. [413007.564077] bonding: bond0: Adding slave vpn4. [413007.564087] bonding: bond0: Warning: The first slave device specified does not support setting the MAC address. # tinc --version tinc version 1.1pre10 (built Jun 18 2014 13:05:02, protocol 17.3) ========= problem reproduced with kernel 3.14.7 and tinc.conf below # cat /etc/tinc/vpn1/tinc.conf Name = x1 Port = 651 Mode = router (in router mode, the tun device created by vpn is NOT ether based, and do NOT support setting mac address) (workaround1) not reproduced with the config below # cat /etc/tinc/vpn1/tinc.conf Name = x1 Port = 651 Mode = switch (in switch mode, the tun device created by vpn is ether based, and support setting mac address) (workaround2) downgrade to 3.10.x ========= every other settings is by default, default bonding mode balance-rr # grep '' /sys/devices/virtual/net/bond0/bonding/* /sys/devices/virtual/net/bond0/bonding/ad_select:stable 0 /sys/devices/virtual/net/bond0/bonding/all_slaves_active:0 /sys/devices/virtual/net/bond0/bonding/arp_all_targets:any 0 /sys/devices/virtual/net/bond0/bonding/arp_interval:0 /sys/devices/virtual/net/bond0/bonding/arp_validate:none 0 /sys/devices/virtual/net/bond0/bonding/downdelay:0 /sys/devices/virtual/net/bond0/bonding/fail_over_mac:none 0 /sys/devices/virtual/net/bond0/bonding/lacp_rate:slow 0 /sys/devices/virtual/net/bond0/bonding/lp_interval:1 /sys/devices/virtual/net/bond0/bonding/mii_status:up /sys/devices/virtual/net/bond0/bonding/miimon:0 /sys/devices/virtual/net/bond0/bonding/min_links:0 /sys/devices/virtual/net/bond0/bonding/mode:balance-rr 0 /sys/devices/virtual/net/bond0/bonding/num_grat_arp:1 /sys/devices/virtual/net/bond0/bonding/num_unsol_na:1 /sys/devices/virtual/net/bond0/bonding/packets_per_slave:1 /sys/devices/virtual/net/bond0/bonding/primary_reselect:always 0 /sys/devices/virtual/net/bond0/bonding/queue_id: /sys/devices/virtual/net/bond0/bonding/resend_igmp:1 /sys/devices/virtual/net/bond0/bonding/slaves: /sys/devices/virtual/net/bond0/bonding/updelay:0 /sys/devices/virtual/net/bond0/bonding/use_carrier:1 /sys/devices/virtual/net/bond0/bonding/xmit_hash_policy:layer2 0 non-ether based tun device seems to compatible with active-backup mode of bonding but that is not the mode i want -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
