mremap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
mlock2(&(0x7f00003b0000/0x4000)=nil, 0x4000, 0x1)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(0xffffffffffffffff, 0x0, 0x0)