Inconsistent wifi / often deactivations of WiFi / wrt32x / OpenWrt SNAPSHOT r10899-1c0290c5cc

Anybody knows what is happening here?

[209131.610689] ieee80211 phy0: staid 1 deleted
[209193.278164] ieee80211 phy0: staid 3 deleted
[209197.930106] ieee80211 phy0: staid 3 deleted
[209529.638475] ieee80211 phy0: staid 1 deleted
[209761.597476] ieee80211 phy0: staid 3 deleted
[209767.635696] ieee80211 phy0: staid 3 deleted
[209936.369259] ieee80211 phy0: staid 1 deleted
[210366.050342] ieee80211 phy0: staid 1 deleted
[210405.515871] ieee80211 phy0: staid 3 deleted
[210410.602744] ieee80211 phy0: staid 3 deleted
[211427.833154] ieee80211 phy0: staid 3 deleted
[211433.869417] ieee80211 phy0: staid 3 deleted
[212321.569360] ieee80211 phy0: staid 1 deleted
[212970.241880] ieee80211 phy0: staid 1 deleted
[213011.266109] device wlan1 left promiscuous mode
[213011.270748] br-lan: port 2(wlan1) entered disabled state
[213011.305470] ieee80211 phy1: change: 0x40
[213011.385106] ieee80211 phy1: change: 0x100
[213011.436221] device wlan0 left promiscuous mode
[213011.440843] br-lan: port 3(wlan0) entered disabled state
[213011.575353] ieee80211 phy0: staid 1 deleted
[213011.595471] ieee80211 phy0: staid 3 deleted
[213011.615458] ieee80211 phy0: staid 2 deleted
[213011.635325] ieee80211 phy0: change: 0x40
[213011.739250] ieee80211 phy0: change: 0x100
[213013.363806] ieee80211 phy1: change: 0xffffffff
[213013.456119] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[213013.464080] br-lan: port 2(wlan1) entered blocking state
[213013.469611] br-lan: port 2(wlan1) entered disabled state
[213013.475294] device wlan1 entered promiscuous mode
[213013.480204] br-lan: port 2(wlan1) entered blocking state
[213013.485645] br-lan: port 2(wlan1) entered forwarding state
[213013.492231] br-lan: port 2(wlan1) entered disabled state
[213013.655919] ieee80211 phy0: change: 0xffffffff
[213013.769252] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[213013.776373] br-lan: port 3(wlan0) entered blocking state
[213013.781865] br-lan: port 3(wlan0) entered disabled state
[213013.787468] device wlan0 entered promiscuous mode
[213013.792484] br-lan: port 3(wlan0) entered blocking state
[213013.797931] br-lan: port 3(wlan0) entered forwarding state
[213014.527436] br-lan: port 3(wlan0) entered disabled state