[   16.075088] systemd-logind[787]: Failed to start user service: Unknown unit: user@1000.service
[   16.077709] systemd-logind[787]: New session c1 of user john.
[   16.077733] systemd-logind[787]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display.
[   18.799483] wlan0: authenticate with 8c:0c:90:26:be:98
[   18.802765] wlan0: send auth to 8c:0c:90:26:be:98 (try 1/3)
[   18.805056] wlan0: authenticated
[   18.808012] wlan0: associate with 8c:0c:90:26:be:98 (try 1/3)
[   18.818960] wlan0: RX AssocResp from 8c:0c:90:26:be:98 (capab=0x421 status=0 aid=3)
[   18.819729] wlan0: associated
[   18.819762] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   21.030306] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)
[   21.030395] ACPI: \_SB_.PCI0.PEG0.PEGP: failed to evaluate _DSM
[   21.030400] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20140424/nsarguments-95)